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When you sneak up behind somebody and unexpectedly shove you foot up their ass and force it out the other side.
Dude, this girl was really pissing me off, so i snuck up behind her and gave her the Brutus Beefcake.
by that guy right there March 28, 2005
a large, erect penis, often used in sexual pleasure. a brutus beefcake is usually very thick and veiny, it always gives intense pleasure to the vagina of a female.
he's so hot! i want his brutus beefcake!
by mrs. beefycakes July 09, 2009