2 definition by Billko

Top Definition
the part of a joke that makes everyone laugh or delivers the "punch"
"Oh man, the punchline of that joke made me piss my pants"
by Billko July 20, 2005

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used prodominently by the mafia - to kill; to kill without notice of others
Nicky and Tony wacked the drug lord
by Billko July 06, 2005

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