1 definition by Gus Brucker

Kaboom, A massive gun malfunction that happens when a round is fired: this causes the weapon to blow up and may injure the shooter. This usually happens to old guns or to those who reload their ammo improperly
K-Rock was cappin down some bloods when his gat kB'd and blew off his trigger finger.
by Gus Brucker March 7, 2005
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