Slang term for xanax pills, popularized at Virginia Tech though origin unknown.
Yo if I eat more than 10 z bombs I might be liable to rape a bitch.
by Dicky P January 29, 2008
The act of throwing a uppercut and connecting so perfectly that you crush your opponents face and put them to sleep, literally.
Alan threw an iron-fisted z-bomb in a drunken fury and put his opponent to sleep.
by Mike Jaing May 24, 2007