wack 

used prodominently by the mafia - to kill; to kill without notice of others

Nicky and Tony wacked the drug lord

wack by Billko August 11, 2005

Wack 

Wack is another way of saying you suck,your crap etc

Dawg did you hear that kid rap he was wack!
look at there crew it's wack

Wack by Lil Ace October 10, 2004

Wack 

A half White half Black person; white + black = WACK!

Dang that guy is Wack!
That Wack is on crack.
Let's wack the Wack.

Wack by antheezie. June 13, 2008

Wack 

A group of spazzing, sparring canadians who PRACTICE all the time.

I see a wack of canadians hanging around there.

Wack by CNADIAN October 7, 2010

Wack 

Cool, crazy, awesome, or bad. Depending on the context.

Mom: I bought you an iPhone!
You: Wack!
Mom: Its an iPhone 5c!
You: That's wack...

Wack by Soulessginger28 May 26, 2018

wack 

Originated from the word whacky; short for whack.

1] Something stupid.

2] Something that isn't interesting.

3] Something that is uncool.

1] "That kid is wack as hell."

2] "I think that show is wack."

3] "Tell your brother that he is too wack to get in this ride"

wack by +Skep'tiKaL- March 23, 2007

wack 

basically describing someone or something as crazy. but saying wack because it is more fun than crazy.

Bro, did you see Carey's hair today?
Yeah, it's wack.

wack by Rewels June 19, 2019