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Measuring My Cum - 8
by Palacechief (no address provided)

***

A doctor has a mother to 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 8

"Go and give yourself a quick wash upstairs," said mom 
after a moment. "And you might as well stay naked for 
now," she added.

I got up, my now limp cock and balls flapping a bit, and 
started walking out of the room. I noticed mom looking 
at my dick as I went. Just being naked like this in 
front of her in our living room was exciting, and it 
sent a tingle through me.

I gave myself a clean in my bathroom, and in double 
quick time I went back downstairs again.

Mom was still topless, and wearing just her black thong 
and stockings and sitting on the sofa with a glass of 
wine in one hand. "I made a note of the amount of cum 
you produced, whilst you were upstairs," she said. She'd 
put the empty semen beaker back on the coffee table for 
our next session. "It's definitely a lot less than 
before -- about half I'd say, which is a good sign," she 
continued.

I sat down again on the three-seater sofa, picking up my 
wine glass as I did so. I took a sip. It felt good. We 
hadn't drunk that much, so I was relaxed, but not so 
much that it might affect my getting a hard on.

I looked over at mom and saw her staring at me. "What?" 
I said.

"Oh, I was just thinking how to best stimulate you 
again. I think it might be a while before you can cum, 
no matter what we do. But perhaps we can help things 
along by trying a few different things, including what 
you said you wanted to do to me a few moments ago."

I realised mom was referring to the crude things she had 
asked me to say to her. I felt a twinge in my dick just 
thinking about it, as mom had said she would show me her 
pussy and also not raised any objection when I said I'd 
like to see her asshole and lick it. Fuck! This was just 
getting better and better!

"Perhaps we can try a few games to get you going," she 
said, after another pause.

"Games?" I said, confused.

"Yes, games," replied mom. "But these are games that 
adults sometimes play, and I used to with your father 
occasionally, when we first married. I haven't for a 
long time now, but perhaps you'd like to try."

I blushed.

"Stop that blushing, Jacob," she said sternly, noticing. 
"I did say you must be more relaxed with me."

"Sorry, mom," I replied. "I'm still trying to get used 
to all this."

"Ok, well, let's start."

She stood up, putting her wine glass back on the coffee 
table. 

"As you like my bottom so much, we can do something 
called spanking. Have you ever heard of that?"

I thought for a moment.

"Well, I think I've read about it, but the idea never 
really turned me on. I don't mind trying," I said.

"Good," mom replied. "Now, I'm going to stand with my 
hands resting over the fireplace mantelpiece, with my 
ass out a bit, and I want you to give my ass cheeks a 
smack with your hands."

Mom walked over the fireplace, and positioned herself as 
she had said. Fuck! The way her ass and legs looked in 
her black thong, stockings and stilettos was incredibly 
sexy. I felt a slight movement in my dick again.

Mom's largish, milky white ass looked wonderful, and the 
wide deep curve of each buttock cheek made a fabulous 
shaped arch from her lower back to the tops of her 
thighs. For her age, her butt was still surprising well 
toned, although she had a bit of excess fat there, but 
that only added to my excitement.

I stood next to her on her left, but one step back, and 
gave her left buttock a light slap with my right hand. I 
saw the flesh of her ass cheek ripple a bit as I did so, 
and I enjoyed seeing that.

"Harder, Jacob, that was too light."

"But I don't want to hurt you mom," I replied.

"Just do it a bit harder," she said. "I'll tell you if 
it hurts me or not, and to stop if it does."

I slapped the same cheek again, only this time a bit 
harder. It actually felt a bit more satisfying.

"That's right, Jacob," said mom, "Like that. A touch 
harder if you like."

I continued, this time slapping the right buttock. I 
never thought I might enjoy this, but seeing the flesh 
of mom's ass cheeks ripple and wobble as I did it, was 
quite enjoyable. Then I noticed a slight, momentary 
tinge of redness on the white flesh caused by my 
slapping and that excited me too.

"Oh, yes," said mom, appreciatively. 

Fuck! She seemed to be enjoying it. It was the first 
time she had indicated getting some satisfaction out of 
our sessions.

I decided to go along with her and try to encourage her 
pleasurable remarks, so I said, "Do you like that mom?"

"Yes, Jacob, very much. I always used to enjoy it when 
your father slapped my butt. He also used to say crude 
things to me whilst he did it, as that used to get him 
going. Why don't you try, that, your cock might 
respond."

Hearing mom say this was quite a turn on. I had always 
thought of her as so 'prim and proper' in my life so 
far, until just a few days ago, but I never realised she 
used to get up to this sort of stuff!

"Sure mom," I said. I was starting to feel quite 
confident now. I moved to her right side, still behind 
her, so that I could use my left hand for a while.

I slapped her cheeks, one after the other again with my 
left hand. As I did so, I said, "Fuck yea, mom, I love 
slapping your large backside. It's so fucking hot." 

For a moment, I couldn't believe I had been so crude, 
but mom seemed ok about it as she said encouragingly, 
"That's right Jacob, tell me how you like it, and what 
you want to do to me to make you cum."

My dick responded almost immediately to her words, 
getting a bit of life into it, but I was way off being 
properly hard yet.

Then, feeling the urge to kiss mom's ass, I knelt down 
behind her as she stood, and kissed and felt her butt 
cheeks almost like I was worshipping them. Satisfied 
momentarily, I then let my hand wander down to the tops 
of her stockings, over the slightly rougher elastic lace 
trim, and then slipped them down, over the stockings, 
feeling their silky smoothness, as I felt each leg, one 
in each hand.

Then, I slid my hands back up along the stockings, onto 
the flesh of mom's thighs, and finally back over each 
butt cheek, squeezing and caressing deeply each one as I 
did so. Mom's legs, thighs and ass felt so good!

Mom must have appreciated the feel of my hands on her, 
almost massaging her lower body as I ran my hands over 
her, as she said softly, "That felt really good Jacob."

Finally, I stood up again and mom turned around to face 
me, so I could see her glorious boobs now as well.

Mom appeared to have a slight tint of red on the cheeks 
of her face like she had been blushing herself, but I 
didn't say anything.

"That was good. Have some more wine," she said.

We both picked up our glasses and took a sip. I was 
starting to feel a little tipsy now, and I was sure the 
alcohol must have be getting to mom too, as she had 
drunk about the same amount as me, and I was bigger, 
physically, in frame to her.

"Now," she said. "It's my turn."

I sort of looked aghast, not knowing what she meant by 
that.

"Err..." I said.

"I mean it's my turn to give you a spank. Just try it. 
If you don't like it tell me," she said. "Get into 
position like I did."

I didn't think I would really enjoy being spanked 
myself, and in any case I had thought all this was about 
me being able to cum. Then I remembered that mom seemed 
to have liked feeling up my ass when we had our sessions 
in the bathroom, so I guessed this might be part of her 
way of getting some enjoyment. I decided to oblige, as I 
realised, if mom ended up getting something out of this, 
then it might lead to us going much further."

I positioned myself like mom had done, with my hands on 
the mantelpiece and stuck out my ass a little towards 
mom, who was now behind me.

She started giving me light slaps at first. I wasn't 
really getting anything out of it as she did so, but 
after a minute or so, I liked the slight tingle as she 
slapped me.

"Ok, Jacob?" she asked.

"Yea... fine mom," I replied.

"I'm going to do a it a little harder. Tell me if you 
don't like it."

Mom slapped my ass cheeks in turn again, this time a bit 
harder. This time for some reason, the slapping seemed 
to have more of an effect on me and I felt my dick 
respond a little. I didn't know why.

Then between the slaps, mom ran her fingers along my 
butt crack, just tickling it, which felt pretty good 
too. It seemed like she had been a bit of an expert at 
this in her time. Finally she gave my ass a good feel 
and rub over. Then, before I could turn around she said, 
"I'm going to give your bottom a kiss, like you did to 
me."

My dick definitely responded to this and twitched a bit, 
although it was still not hard.

I felt mom, kiss me gently on my ass. It actually felt 
really nice. She kissed over it a few times, just gentle 
kisses, unlike my slobbering over her butt!

Then, she said to my surprise, "Turn around, I want to 
suck your cock and see if I can make it hard."

Fuck! I couldn't believe she had just said that. 
Quickly, I turned around, to see mom on her knees in 
front of me, a sight I could hardly have imagined a week 
ago, ready to take my cock into her mouth.

Before she did anything, she looked up at me for a 
moment and said, "Well, as you are taking so long to get 
hard this time, I think this is the only way."

Then without further ado, she took my limp prick into 
her mouth and started sucking on it. Fuck! The inside of 
her warm wet mouth on my dick felt so good, that blood 
started to rush to it, and I could feel myself get 
aroused and harder.

After about a minute or two of her sucking on me, I was 
semi hard. I knew I wasn't ready to cum yet though. Then 
I had an idea.

"That feels really good mom," I said, "But I think I 
need more stimulation. You did... err... say that I 
could see your pussy didn't you?"

Mom hadn't looked up at me as I said this, as she seemed 
to be engrossed in sucking my cock.

Then after a moment she stopped sucking me and said, 
"Ok, but first I need some more wine. Just stay as you 
are."

I don't know if it was because the alcohol would give 
her more courage, if she needed it, or if she was just 
enjoying herself, but still kneeling, she reached over 
to the coffee table which was next to us, picked up the 
wine bottle, filled her glass right to the top and then 
took a large sip of it. Then she said an extraordinary 
thing.

"Jacob, I do like wine and sucking cock at the same 
time. So I'm going to dip your cock head into my wine 
glass and then suck it. You don't mind do you?"

Fuck! Did I mind? Did my 'prim and proper' mother really 
say that? I didn't care. I found the idea so arousing, 
that I just nodded my head, almost lost for words that 
she'd said, what she had just said.

Mom brought her wine glass next to my cock, which was 
now semi hard, but still pointed down a little as it was 
no way fully erect, grabbed my cock with one hand and 
dunked the tip of it into her wine glass which she held 
in her other hand, so my cock head was submerged in the 
wine about one inch. Then, lifting my cock out of the 
glass, she immediately took it in her mouth to suck the 
wine off it. Fuck me!

I felt the blood rush to my dick again, and I became 
slightly harder seeing her do this. Then she stopped 
sucking me for a moment, took another sip from her wine 
glass which she had been holding on one hand all this 
time, and then repeated the whole thing. She dunked my 
now slightly harder cock into her wine glass again, 
lifted it out, sucked on it for a moment, and then took 
a sip from the glass again.

"Mom, that looks so hot," I finally said, unable to hold 
myself back.

"Good. That's the whole point and I enjoy it too. Now, 
perhaps it's time for you to see my pussy young man, and 
we'll see if we can get you to cum."

She put her wine glass down and as she did so I picked 
up mine and took a sip. I needed it after that, and to 
prepare myself for what was to come!

Mom stood up and without any hesitation, slipped off her 
thong and chucked it on one of the sofa chairs. She was 
now standing before me in just her black stockings and 
stilettos. Fuck, she looked so hot!

I looked down at her pussy and saw the neatly trimmed 
pussy hair, which I'd noticed before, during the only 
time I'd seen it, which had been in the bathroom.

Then mom said, "Sit down over there." She pointed to the 
three-seater sofa. I did as instructed, and mom sat 
herself down on the single sofa chair, which was a few 
feet away.

Then, instead of just sitting, Mom leaned back a bit, 
raised her knees slightly and opened her legs, more and 
more, until they were almost splayed wide open. Her pink 
pussy came into full view. Fuck, what a sight! My dick 
responded by hardening even more.

Then, mom put her index finger in her mouth to moisten 
it, and inserted it into her pussy. It was like she was 
playing with herself to stimulate me.

"Wow, mom," I said. "That looks really hot."

"Good," she replied, and looking at my prick which was 
getting harder and harder.

Mom continued playing with herself, exposing more of her 
pink pussy flesh to me as her fingers played and poked 
her cunt and she opened her pussy lips for me.

I just felt like getting up and kissing and licking it, 
but I wasn't sure if she would allow me. I knew she 
would not let me fuck her.

I don't know if she had read my mind, but after a moment 
she said, "Tell me what you want to do when you see my 
pussy like this Jacob."

I was in such a state of arousal now that my hesitation 
to say anything had gone out of the window, and I just 
said confidently and almost greedily, "I'd sure love to 
lick your cunt mom. It looks so fucking hot. Can't you 
see how hard my dick is now?"

"Good boy," said mom, smiling, in reply. "You seem to 
have become much more confident now, which is a good 
sign, and means you should be able to cum more easily. 
Ok, you can lick it, but nothing more. But before you do 
I want to have a suck on that lovely cock again, it 
looks so good now it's fully hard."

I got up in a flash and went over to mom's sofa chair, 
my hard on swinging in front of me as I did so.

Mom sat up properly again and grabbed the base of my 
dick with one hand and took the cock head into her 
mouth, slurping and sucking on it. Then, she licked 
around my piss slit with the tip of her tongue, before 
taking the shaft into her mouth again. She really looked 
as if she was really enjoying this now. 

Maybe it was the wine, or maybe she had now just let 
herself go a bit, as if she had been holding herself 
back from expressing the fact that she was being turned 
on in our sessions so far.

"That feels so good mom, your mouth on my cock is so 
nice. Suck it yea, go on," I said encouragingly.

Mom responded by sucking me harder and continued like 
this for a few more moments.

Finally, I said, "I sure would love to lick that juicy 
pussy of yours." 

Mom stopped her sucking of me, and looked up at me. I 
saw her eyes seemed to be slightly watery and I 
immediately became a bit concerned.

She said, "Jacob, I haven't sucked a cock like this for 
such a long time and you've probably realised it is 
quite arousing for me. I hope you understand. I am 
feeling a little embarrassed at myself. I am your 
mother. Will you forgive me for being like this."

I saw mom appeared a little upset, yet she was also 
being turned on by what she was doing. I didn't know 
whether it was the wine that had finally got to her, but 
she seemed to be fighting her own feelings.

Still looking at her hard in the eyes I said, "Please 
mom, don't feel embarrassed or bad about it. I do 
understand. Just think of it like me being turned on my 
your body, but in reverse. Just do what you feel like. I 
don't mind at all. You are helping me to cum after all, 
and I'm not surprised if your getting turned on too."

Mom smiled at me and then, got up. "Ok, I still want to 
suck you until you cum into the beaker. We can lick each 
other at the same time Let's do a 69 position. Do you 
know what that is?"

I nodded, remembering I'd seen it in movies, but never 
having actually done it in real life.

"We'll do it on the rug in front of the fireplace," she 
said. "Lie down first, and then I'll lie on top of you."

I did as instructed. The rug was quite large -- about 8 
feet long by 6 feet wide, so we could easily lie on it.

As I lay there, I realised I would be able to see mom's 
asshole and pussy properly for the first time - fuck!

Mom picked up the semen beaker, and then straddled over 
my head. As she did so, the wonderful insides of her ass 
crack came into full view. Her puckered asshole and wide 
lipped pussy were just inches from my face. Fuck!

"Is that ok Jacob?" she asked.

"Wow, mom, your ass looks amazing! Back down a little 
more on me."

Mom wriggled her ass down over my face a bit more until 
finally I could lick her, whilst I had positioned my 
arms and hands in away that I could feel and stretch her 
buttocks wide open at the same time. I could also feel 
her large fleshy boobs rubbing against my belly, as she 
had positioned herself on me. Fuck, this was just 
awesome!

I took in the smell of her pussy juices and they excited 
me, and I started licking at it. It felt amazing! As I 
did so, mom had started to suck my cock again. This was 
heaven!

After licking around mom's juicy cunt for a few moments, 
I moved to her asshole and started lapping and licking 
it with the tip of my tongue. Then grabbing her ass 
cheeks firmly, I stretched and pulled her butt cheeks 
wider so I could I dart my tongue deeper into her 
asshole, almost like I was fucking it with my tongue. I 
could feel the walls of her tight rectum as they rubbed 
against the tip of my tongue. I was loving it!

Then I went back to her pussy and lapped at it, letting 
my saliva flow freely, and even took her thick 
protruding pussy lips into my mouth to nibble. Fuck!

Mom had been working her mouth and tongue on my cock 
expertly at the same time as I had been doing all this, 
and I finally felt the cum rise in my balls. 

"Not long now mom," I said to warn her to have the semen 
beaker ready. 

Hearing this mom, seemed to want to give my cock an 
extra hard and deep suck and in doing so, I knew that 
was it.

"Ok, anytime now," I said.

Finally mom stopped sucking on me and, although I could 
not see it as her wonderful ass was smothering my face, 
she must have positioned the semen beaker to catch my 
cum. I felt her hand start pumping me and then, as I 
grabbed and stretched mom's fabulous fleshy butt cheeks 
at the same time, and licked deep into her pussy, I 
exploded. I had to force my head back down onto the rug 
as I came, and shouted, "Ahhh... Ahhh... Ahhh!"

I don't know how much I had cum, but my orgasm had felt 
really good. This was the best yet. I felt mom still 
stroking my dick gently, as she must have been trying to 
get the last few drops of cum into the beaker. As I lay 
with my head on the rug all I could see as I looked up 
was the sight of mom's beautifully large ass cheeks and 
her puckered asshole and wide open cunt which I had 
lusted after for so long, still hovering over me. I 
could stay in this position forever!

Then I remembered what she had said about being aroused 
herself, and I realised things might be about to take a 
big turn in the way we did our sessions. I felt the need 
to give mom more satisfaction. Maybe she would agree to 
me penetrating her. I wondered...

To be continued?

*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
The author does not condone child abuse, this story is 
meant as an erotic fantasy not depicting anything in 
real life. Anyone acting out such scenarios in "real 
life" can look forward to many unproductive years 
getting it up the butt by a fellow convict in their 
local prison system.
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