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1.
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
44 19
 
2.
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
61 41