1. Having the qualities or characteristics of a buster, as well as being wack.
2. Someone who is worse than a normal buster.
2. Someone who is worse than a normal buster.
Person 1: Man, one of my friends stole my game system and bought Chick-fil-a with the money.
Person 2: That dude is a straight up wack buster.
Person 2: That dude is a straight up wack buster.
by Ash the Ninja January 13, 2008