What's on your mug?

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

By Lil Ace

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

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

By antheezie.

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

I see a wack of canadians hanging around there.

By CNADIAN

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...

By Soulessginger28

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"

By +Skep'tiKaL-