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!
1) Condition/Appearance of a poorly treated vagina 2) A diseased vagina 3) A vagina that has been "busted" into by innumerable dudes/toys to the point where it will not return to its original shape 4) appearance of a vagina after one or more births 5) A well used vagina, for example after a gangbang 6) Derogatory comment about a promiscuous woman 7) Any woman that has been deflowered 8) A prostitute
"Too bad Susan has the Clap. She sure is fine but I don't wantnone of that busted biscuit."; "I can't believe Helen had triplets! It must look like a plane crashed into that busted biscuit!"