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.
by mrs. beefycakes July 9, 2009
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 29, 2005