Top Definition
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!
by Know-it-all-but-not-do-it-all September 25, 2009
5 Words related to muscle sex

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