sex muscles
The curves of well-defined abdominal muscles that start at the lateral iliac crests and end medially at the pubic tubercle. They form the "V" that outlines a 6-pack. They are referred to as such both because they can be worked out during sexual activity, and possession of such musculature makes you want to have sex with that person.
Did you see his sex muscles when he took his shirt off? I think i just peed my pants a little.
Sex Muscles
Any and all muscles that are bulging or well-defined from sexual activity, typically the biceps.
Me: Did you see the size of his biceps? That's hot - his chest too.
Her: Those are some damn fine sex muscles.
Her: Those are some damn fine sex muscles.
Sex Muscles
Any and all muscles that are bulging or well-defined from sexual activity.
Me: Did you see the size of his biceps? That's hot - his chest too.
Her: Those are some damn fine sex muscles.
Her: Those are some damn fine sex muscles.
Sex sore muscles
When having sex with someone and using muscles you normally don't you're very sore it has nothing to do with not being able to walk.
I was with Jake last night and I have sex sore muscles.
muscle sex
Anal sex with a large bodybuilder where he preferrably bottoms.
I had the sweetest muscle sex with Mr. Olympia just now. His 20-inch arms pushed me deeper into his hole to stroke his sphincter and pleasure his prostate. His glutes throbbed against my cock as he came after I fucked his muscle ass right nice!