wack 

Usually used to respond to something crazy. Commonly found in the expression, "That`s wack!"

"He killed his cat and fed it to his dog" said Dan.
"That`s wack!" his friend responded.

wack by leinad May 13, 2005

Wack 

A word that describes Ja Rule, The Diplomats, Benzino, P. Diddy, Nelly, Pastor Troy and Snoop's new shit.

Tha radio plays nothing but wack shit.

Wack by Omega Death November 25, 2003

wack 

to kill someone, in the mob

He disrespected me, so I wacked him.

wack by coach_max September 21, 2012

Wack 

1)
Wack, an african american slang word, oftenly used to replace "shit, bad, horrible, not cool, stupid" and any other generally negative words.

2)
Wack, the sound something makes when such an object is either hit or is used to hit another object.

3)
Wack, used to replace "place, put, drop"

1)
"Dude, thats wack"
"Damn, this is wack"

2)
As Kiwi hits Flamin over the head with a baseball bat repeatedly the room goes dark, all you can hear is a repetitive "wack, wack, wack" followed by a cry of pain.

3)
"Just wack it there"
"Wack some of that sauce on my burger, thanks"

Wack by Not Kiwi January 13, 2010

wack 

when something or someone is crazy. is crazy

"Yal are so wack!"
"Wiggidy wack!?"
"No, just regular type"

wack by fran xox August 9, 2004

wack 

An Antarctic word meaning weird.

You see a penguin behaving in a strange manner:
'Yo man that Penguin is wack!!!'

wack by WaSpY September 23, 2004

wack 

When something goes or is worng. Also used in place of fucked up.

1)Man, that shit is wack!

wack by Americus Nationel October 27, 2004