1. adj; something in bad taste or is otherwise unappealing.

2. verb; to murder someone.

3. verb; to masturbate.
1. Yo Freddy, turn off the country music. That shit is whack.

2. Freddy, turn off that fuckin' country music before I go and whack ya.

3. Freddy, I said turn off the country music, I didn't say pull your johnson out and start whackin' it. The fuck?
by Eapert McDangles June 29, 2006
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1. adjective; appalling in nature, unconventional.

2. verb; to strike one with the hand or fist.

3. verb; to assassinate.
1. yo, that's whack.

2. if your mother heard that she'd whack you upside the head.

3. you want we should whack a dog?
by bud newman. February 28, 2003
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an event, action, or thing which makes no sense or is contrary to a logical course of action; something entirely disagreable or undesirable; A non-sequitor;
That's whack!
by Mirak Meffit August 21, 2003
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Tony, did you whack that guy yet?
by idk October 5, 2003
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a word they used around the 1950's and 1960's refering to knocking somebody the fuck out or killing 'em without using arms. Often used in the triology 'The Godfather'.

1) Clemenza: Hey the Godfather asked for a direct favour, you up for a challenge?
Soldier: I'm loyal to the family, how can I help?
Clemenza: The Corleone's want that Turk asshole working with Tattaglia whacked as soon as possible. They set up Luca Brasi and we want him dead.
by # 1 Stunna July 27, 2006
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As used by The Token Black Guy in films, in order to illustrate that he is, indeed, The Token Black Guy
by jonny hopper November 6, 2003
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