What muscle does this workout?

What muscle does this workout?

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youtube.com/watch?v=e7KWiZTuaBg
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god i wish that were me

the brap muscle

Hip Adductors/my fapping hand.

...

Reminds me of pic related.
Checked

>tfw i thought she started her period at first

The dry heaves were no fun

God those quads are beautiful. Post more

My dick.

haha i wanted to photoshop a face on it

Is it possible to bust the watermelon without crossing your legs?

probably, she can do pumpkins without crossing her legs

youtube.com/watch?v=e7KWiZTuaBg

...

My boner

the groin

A FUCKING PINEAPPLE

Is this some kinda porn?

it sure is working my groin

That is how a woman can really squirt.

My biceps and triceps

"workout" is a noun. you mean "work out".