Top Definition
When someone with huge upper-arms flexes, and their bicep then proceeds to hit you in the face. See: punch.
Similar to: kneed, elbowed, and head butted.
Lindsey: Tom! Your muscles are so big, flex them for me!!
Lindsey: OW, you totally just bicepped me in the face! Thanks for showing me that they were real!
by 158110005 July 05, 2010
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