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Measuring My Cum - 6
by Palacechief (no address provided)

***

A doctor has a mother masturbate her son so she can 
measure his semen volume due to a medical condition. 
(F/M-teen, inc, mast, exh)

***

Author's Note: I cannot confirm whether this story is 
purely a work of fiction or has elements of truth. I 
will leave it to your imagination.

***

Part 6

I didn't feel like going upstairs to wash, so I 
grabbed a few 'wet & wipe' tissues from a tub we kept 
in the kitchen, and gave my now limp cock a good 
clean and wipe over, especially around the tip as I 
pulled back the foreskin a little.

It felt exciting to be naked like this in our 
kitchen, mom having just wanked me off in here. Then, 
still in the nude, I walked out of the kitchen, along 
the hallway, and into our downstairs cloakroom, and 
flushed the wet tissues I had used to clean myself 
down the toilet.

As I washed my hands in the basin, I gave myself a 
look over in the mirror above it.

I almost had a glow about me. All this 'sexual 
activity', seemed to be a having a real positive 
effect on me. 

Then, I walked back into the kitchen and pulled my 
boxer shorts on, followed by my house gown, and 
finally sat down at the kitchen table, waiting for 
mom to come down.

I started to wonder what she would wear for me. It 
was still rather amazing that she had said she would 
be giving me 'constant visual stimulation' over the 
rest of the weekend, whatever that meant. I could not 
imagine that she would be wearing sexy underwear for 
me all weekend, but the way things were going, I 
guess anything was possible! I hadn't yet even seen 
her in anything more than her regular old fashioned 
bra and panties, so the idea that she had gone to 
some lingerie shops especially to buy sexy stuff for 
me, to turn me on, was still pretty far out! 

But, hey, I wasn't going to complain. It would be 
like a fantasy come true! As I thought over this, my 
dick stirred a bit, and I wondered just how much I 
could really cum. So far it had been four times a 
day, but I hadn't really pushed myself. But I guessed 
mom was right, it may well be useful to see where my 
limit was, and to provide as much information to Dr 
Taylor as possible about the extent of my seemingly 
incredulous cum production!

I also wondered just how far mom would let me go in 
terms of touching her, and perhaps more. But before I 
could think about this any more, I heard her start to 
come down the stairs, and I braced myself for 
whatever stirring sight might befall me as she came 
into the kitchen.

You could not see directly into our hall from the 
kitchen table where I sat, so it was only as she came 
around the corner that I saw her.

My jaw dropped.

Without looking at me, she just walked casually in 
and went over to the kitchen sink and started doing 
some washing up, with her back to me.

I just looked and stared, open mouthed, almost in 
amazement. 

Before I tell you what she was wearing, just a short 
aside. You have to remember that up to now in my 
life, mom had always been rather 'prudish' in her 
clothing, being very straight laced and wearing long 
skirts and tops that would cover most of her body her 
well, although of course nothing could hide the size 
of her large boobs. Whatever she wore, it was 
normally very ladylike and conservative, with a big 
'C'. And although she still had a reasonable figure 
and curves, she would always wear clothes that would 
never accentuate her largish, but still shapely ass.

But now as I looked at her in our kitchen just a few 
feet away from me, it was a sight to behold for any 
big butt and full figured woman loving, red-blooded 
male!

She was wearing light grey shorts and a low cut, pink 
blouse, and heels that were as high as I'd ever seen 
her wear, so that her legs and ass looked really 
sexy. I hadn't seen her in shorts for many years, but 
these were no ordinary shorts. They seemed to be made 
of soft, jersey like fabric that clung to her skin 
and moulded to every curve. Not only that, but it 
looked like she had cut them so that about one third 
of the lower part of her ass cheeks were showing! 
Fuck! 

Her shorts weren't quite 'hot pants', but if you can 
imagine a mature voluptuous lady with a curvy figure 
and a largish butt in figure hugging shorts, that 
exposed about a third of her ass cheeks, that's what 
she was wearing! And they clung tightly into her butt 
crack, just to make it look even sexier! Fuck me!

"I know you have a thing for my bottom, Jacob," she 
said finally in a firm tone, and still with her back 
towards me, "So I've decided to wear things that will 
help to arouse you when you look at it."

I gulped.

"It... um... really... err... looks great mom," I 
said, hesitatingly, feeling my dick move in my 
boxer's, and not really sure what to say to her.

"Good," said mom, and finally turned around. Then I 
saw her front properly. She must have taken out one 
of her very old tops, which had string like shoulder 
straps, leaving exposed her upper shoulders. Not only 
that, but it looked like she had cut the fabric 
around the area which would normally have covered her 
boobs, so that there was a huge amount of cleavage 
showing! I could clearly see the shape of them, as 
they hung under her top. As I looked closer, I could 
make out her thick nipples protruding through the 
pink fabric. It looked like she wasn't wearing any 
bra! 

Then my eyes wandered down to her crotch area. Jesus! 
The soft material of her shorts was so tightly pulled 
into her crotch that I could see the slight indent of 
her pussy line. My dick jerked up more in response.

Then, she looked at me hard in the eyes and said, 
"Oh, and by the way, I'm not wearing any bra or 
panties under these, in case you don't notice."

Fuck me! My mouth started watering, and my dick 
stirred in my boxer's again!

Then, before I could reply, she turned around and 
said, "Now Jacob, as it's almost 6.00pm, I'm going to 
start getting dinner ready. Just sit and watch me, 
and when you feel aroused enough to... you know... 
cum... let me know, and we'll get another sample."

"Err, ok mom," I said. My dick was already moving 
like a snake under my gown, but it wasn't quite semi-
hard yet. I didn't think it would be long though.

Mom walked over to the fridge, opened the large door 
and bent down to pick something up from the lower 
shelves. Fuck! Her ass was poking out back towards 
me, the soft fabric of her shorts stretching and 
pulling even tighter into and between her butt 
cheeks, so that her ass looked even hotter, if that 
could be possible, in those shorts!

"And while I get things ready," she said, standing up 
again and walking back to the worktop with some salad 
making stuff, "I want to ask you some questions which 
might help me to know just how best I can stimulate 
you, and it may also help to arouse you just by 
talking about it."

I swallowed again.

Mom stood with her back to me, her ass cheeks partly 
showing in her 'hot pants', and started cutting up 
some lettuce and tomatoes.

As she did so, she said, "Tell me Jacob, I know you 
like my bottom, but I'd like to know just what you 
like about it." Mom spoke almost like she was teasing 
me and I blushed.

"Well... err..." I started.

"Tell me honestly," she said. "Don't be shy."

"Well... err... I like the... um... fullness and 
roundness of it mom," I said, a bit timidly.

"Go on," she said.

Felling encouraged, I continued, "I've... err... 
always liked largish asses' mom."

"And why is that Jacob?" quizzed mom. "I always 
thought men liked smaller, pert and firm, toned 
bottoms."

Feeling more a bit more confident, I said, "Well, 
they look nice in photos, but... err... I don't think 
you can... um... you know... get a nice deep handful 
of butt cheek with those."

Mom burst out into a little laugh.

"Oh, I see," she said. "And there I was I at my age 
thinking my butt was too big and unattractive."

I relaxed a bit at mom's laugh and began to feel more 
conversational. "Well, if it's too big and with lots 
of fat and cellulite it wouldn't be very attractive 
to me, but your ass is just right mom, not too big 
and not too small, and it's also still quite shapely 
and firm in places. It does sag a little bit, but 
that makes it even nicer for me, as I... err... sort 
of like to see the flesh there jiggle and wobble as 
you walk, and I don't think you get that effect so 
much with firm, toned ones."

"Goodness me" said mom, "You do have a lot to say 
about backsides, and mine in particular!" She still 
had her back to me and was now mixing the salad in a 
large bowl and adding seasoning and dressing.

"You do still have quite nice curves, mom," I 
continued, feeling even more relaxed as we spoke, and 
like I wanted to tell mom how good looking I thought 
she still was. "And that's why I've said to you so 
many times about going out and meeting someone. I 
know you've been put off a lot with your experience 
with dad, but I'm sure plenty of single guys around 
your age would like to meet and date you. You never 
know, you might meet someone really nice."

Mom became silent and as she finished mixing the 
salad. She turned around and then walked over to the 
kitchen table, still holding the salad bowl, her bra-
less tits sexily wobbling in her low cut top. She put 
the bowl on the table, bending forward towards me 
slightly so that I got an even better view of her 
cleavage.

"Thanks, Jacob," she said breaking into a smile. 
"That's nice of you to say so. I might take up your 
advice, as it's good to hear your opinion on how I 
look. But for now, we must concentrate on your little 
problem." She looked at me in hard the eyes for a 
moment, and then said, "Do you like the way my boobs 
look in my blouse?"

I swallowed again, and my dick now jerked up hard in 
my boxer's as I looked down into mom's cleavage right 
in front of her, and could see her large tits hanging 
freely under her top, as she had no bra on.

I blushed again, looking at her boobs, and said a 
little uncomfortably, "Err... yea mom, um... they 
look really g-good."

"Do they look sexy?" she said, still holding her bent 
forward pose.

"Y-yep... they sure do mom," I replied, feeling an 
overwhelming desire to grab them, but controlling 
myself.

"Good," she said and stood up straight again and 
walked back to the worktop next to the cooker. I 
watched her ass cheeks wobble and swing from side to 
side in her tight shorts. My dick became a bit 
harder, but I knew I was not quite ready to cum.

"Do you like boobs too, then?" said mom quizzed 
again.

"Yea... sure I do mom," I replied.

"But not as much as bottoms," she retorted.

"Well... I like both," I said, blushing a little 
again. "Especially when boobs are large and... 
well... a bit floppy and jiggly, like yours mom," I 
added, to reassure her and truthfully too.

"So that's why you find my body so arousing is it?" 
said mom, still with her back to me whilst she put 
some pasta into a pan to boil up.

"Well... err... I like women with... um... full 
curves," I said.

"You mean voluptuous," said mom.

"Yea, I guess so," I replied.

"I see," said mom. "Well it's a good thing I look the 
way I do then isn't it Jacob, otherwise I might have 
had difficulty helping you to cum as Dr Taylor 
suggested?"

"Maybe," I said, not quite knowing what to say to 
that.

There was silence for a minute or two.

"Are you feeling aroused yet Jacob?" said mom, 
finally breaking it. She was now mixing up some pasta 
sauce and meatballs, still with her back to me.

"Yes, I am," I replied. "I'm hard."

"Well, why didn't you say?" said mom, turning around 
and looking at me.

"I didn't feel I was quite ready until now," I 
replied.

"Ok, just wait a minute or two while I get everything 
ready to go on simmer to cook. We'll have about half 
an hour then before it's all ready, so we'll have 
time to squeeze in another session before we eat."

My dick jerked up again in my boxer's and tented up 
my gown as she spoke.

Mom carried on adding ingredients and mixing the 
saucepans as she stood with her back to me, facing 
the cooker.

Then, after a few minutes, she turned around and 
said, "Ok, that's done. Follow me upstairs." And with 
that, she grabbed the semen beaker from the 
windowsill near her, and started walking out of the 
kitchen.

I got up and followed her, my eyes locked on her ass 
as she walked.

As I walked behind her up the stairs, I almost 
started salivating, watching her ass cheeks, which 
were almost level with my face as she took each step. 
It looked almost liked she was swinging her hips even 
more than normal as she walked up, just to give me 
some extra stimulation! Fuck!

Reaching the top of the stairs, she walked into my 
bedroom, and I followed.

"I think perhaps we should do things a bit 
differently now," she said, as we reached the side of 
the bed and stood next to it. "Rather than have you 
lying on the bed whilst I wank you off, it may give 
you more stimulation if we added some variety."

"Um... ok," I said. The tent in my gown was now 
clearly showing.

Mom looked at it and said, "Well, take your gown and 
boxer's off and let's see that nice hard cock of 
yours again."

Fuck! Mom talking like that was turning me on even 
more. She sat down on the bed facing me to watch me 
undress.

I took off my gown and threw it on the far corner of 
my bed. My hard-on popped out through the front of my 
boxer shorts as I did so. I pulled them down, and 
chucked them into the same corner as my gown. Now, I 
stood naked in front of mom, with my proud, full 
hard-on pointing up at her.

"I think perhaps we should start with some breast 
stimulation," she said, and started to take off her 
top, pulling it over her head. Mom's gorgeous boobs 
came into full view.

She held them for me, for a moment, pointing them in 
my direction. She'd never done that before, and it 
made my hard –on jerk up at her. "Come and play with 
these lovelies," she said invitingly.

I couldn't believe how eager to please mom seemed to 
have become.

"Give them a suck, Jacob."

I knelt down in front of her, and like I had done in 
our session in the afternoon, I gave each one a good 
suck and lick, paying close attention to each nipple, 
and caressing and cupping each boob generously, and 
feeling the wonderful soft flesh of each. This time, 
mom let me carry on much longer than before. My prick 
was rampant as I did this, kneeling in front of her.

Then, after letting me do this for what seemed like 
ages, I was beginning to think mom would now let me 
fuck her boobs again, like last time, but she 
surprised me by saying, "Now, Jacob, as you've been 
so nice to me about my bottom, I'm going to give you 
a special treat. I'm going to get up and you may give 
it a feel and a kiss through the material of my 
shorts."

"Fuck! This was the first time she was letting me 
kiss her wonderful ass!

Mom stood up, her tits swaying freely and sexily as 
she did so, turned around so her back was to me and 
then spread her legs a little and bent over so that 
her hands were resting on the mattress, with her arms 
straight for support, and offered me her glorious 
backside.

Fucking hell! Her pose was really enticing and 
arousing, and all I could do was just drop to my 
knees again, so that my face was level with her 
buttocks, and I just slobbered, kissed and licked the 
lower part of her ass cheeks that were exposed, like 
I was some wild crazed animal. Fuck!

"Easy now," said mom, realising I was all over her 
buttocks like something possessed. "You'll have 
plenty of chance to do this later too."

Man, hearing her talk like that, rather than calming 
me down, just caused my prick to rage up even 
further.

After a moment, I eased up on the way I was kissing 
the visible uncovered part of her ass, and then 
started to feel each butt cheek where it was still 
covered by her tight shorts, and kissed them through 
the material.

Then, looking more closely at the area where her butt 
crack was, which now had the fabric of her shorts 
caught, and tightly stretched in it, creating a sort 
of 'canal', I realised I could see the indentation of 
her pussy crack, as the soft, thin fabric was so 
tight against it. Fuck!

I desperately wanted to kiss her there through the 
material of her shorts, so I started to kiss all 
around the outside of her butt crack first and then 
just let the tip of my tongue gently and lightly 
touch the fabric that was stretched tightly in her 
butt crack. Mom did not say anything to object as I 
did so. I did this a few more times at intervals as I 
was kissing and feeling up her glorious full ass 
cheeks through her shorts.

Although I was fully hard now, with my dick raging, I 
sensed that I was still not quite ready to cum. It 
was now becoming apparent that it was taking me a bit 
longer to feel like I could cum.

I think mom, must have also noticed this because she 
said, "Aren't you ready to cum yet?"

"No, mom," I replied, "Not just yet."

"That's interesting to know," she replied still bent 
over and posing for me. "Well, maybe some more 
stimulation is in order. Why don't you slap my butt 
cheeks with your dick honey? You know, like you did 
in the bathroom."

That sounded good to me, so I stood up and grabbed by 
hard-on with my right hand.

Mom was still bent over in the same pose, and now she 
started wriggling her ass at me a little, shaking it 
from side to side, as if to taunt me with it.

I started slapping her cheeks hard with my prick, 
over the exposed lower flesh and then on the covered 
part of her ass, over the fabric of her tight shorts.

Then looking at the crack of her ass again, where the 
material was tightly stretched so as to form a 
valley, I just couldn't help rubbing my cock head 
along it. It went over her pussy slit, pushing the 
stretched material there in a little way.

Mom gasped a little, but again did not object. 

Feeling encouraged, I did this a couple more times, 
and on the last of these, I let my cock head linger 
over the soft, taught fabric that was right over her 
cunt, and pushed in a bit more. But because of the 
tightness of the fabric over it, there was no way I 
could actually enter her pussy. 

Again, whilst I did this, mom gasped a little, but 
did not say anything or object. Well, that was it. 
Doing that, and the incredible sight of her ass as 
she posed for me, caused the cum rise in my balls, 
and I shouted out to her, "Ok mom, I'm ready."

She grabbed the semen beaker, which she had put on 
the bed next to my pillows and turned around quickly 
and sat on the bed, her tits flopping and jiggling as 
she did so.

She grabbed my cock, pointed the tip into the beaker 
and started stroking me firmly.

"Uhh...Uhhh... Uhhh... Uhhh..." I grunted out loudly, 
as I came.

"Yes, baby, cum for mommy," she said encouragingly.

Hearing her say that, just seemed to extend the 
length of my cum waves, and I carried on spurting, 
and mom kept on pulling on me, until the pulsations 
became less and less, until I finally stopped and 
became limp.

Following her usual pattern, mom wiped the ends of 
her fingers which had caught some of my cum into the 
beaker, so as to collect every last drop.

Finally, she held up the beaker up again and said, 
"Honey, I think I detect a little less spunk than 
normal. Maybe I'm starting to dry you up a little?"

I had sat down on the bed next to her to recover, and 
looked over at the beaker. Normally my cum would be 
up to the lines at least one third of the way up the 
sides, if not more, but this was one mark below that.

"Maybe," I replied. "That was my fourth time today, 
and we normally stop at this point. Perhaps you need 
to stimulate me more the rest of the evening to get 
me going enough, and ready to cum, to see if I do 
actually run out."

"Well, I don't think that will be a problem," mom 
replied, looking at me with a slight smile on her 
face. "After dinner, I'm going to put on some of that 
lingerie I bought today, and I don't think you'll be 
disappointed."

I blushed deeply. Although I was getting used to what 
we were doing, mom seemed to be taking things to a 
new level each time, and I still had a tinge of 
embarrassment about the whole thing.

"Err... thanks mom," I said gratefully, "To be 
honest... um... I sort of, can't wait."

Mom slapped me on the cheek playfully, smiling, and 
said, "Ok, come on, clean yourself up and come 
downstairs. I'm just going to note down this 
measurement and then go and put dinner on the plates. 
See you in a few minutes." And with that she got up, 
picked up her top, and walked out of my room, her 
tits swaying sexily in front of her as she did so.

I looked at her ass again as she swung her hips, 
watching it move from side to side in her tight 
shorts and a twinge of excitement ran through me. 
This was not just because she was going to dress in 
sexy lingerie for me in our next session, but also 
because I remembered that I had touched her pussy 
slit through the material of her shorts with the tip 
of my cock, and she had not objected! Fuck me! Maybe 
I could go all the way!

To be continued...

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
This story was written as an adult fantasy. The author
does not condone the described behavior in real life in
any way, shape or form. Anyone tempted to act out any 
of the scenarios in this story should seriously 
consider seeking professional help.
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
Kristen's collection - Directory 82