Top Definition
A gun with a silencer.
Hey I heard that your friend got shot in the chest with a biscuit buster, and nobody heard a thing.
by Von J November 07, 2007
2 more definitions
Someone who smashes on fake cliques and punks haterz back down to where they belong. This person goes around busting heads(biscuits) left and right. They also live by their own rules and don't take crap from anyone.
Lauren Martinkus totally punked that drunk idiot at the bar, damn she is a biscuit buster!
by Glastoki January 23, 2010
A person that eats massive amounts of food.
Tom is def a biscuit buster. He loves busting biscuits.
by forrrrrrr surrrrrrrrre February 18, 2008

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