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1 definition by Sexy Pess

 
1.
A person who has large forearms but small shoulders; resembling the arm of a Gorilla.
Dude: Wow Bro, that girls got strange/deceiving arms! So large in the forearm, but so small around the shoulders.

Bro: No Dude, those are gorilla-arms.
by Sexy Pess May 15, 2009