whack 

dum, boring

That game is whack

whack by ME February 6, 2004

whack 

The word formerly known as "wack"

Spelling wack "w-a-c-k" is wack as hell.

whack by Simon Says Go Fuck Yourself February 16, 2004

Whack 

a derogetory name for someone

Man, you whack

Whack by Brenda Donaldson May 31, 2009

Whack 

Adjective. Crazy, insane, loopy, nonsensical, illogical, arbitrary, dumb.

EX1: Sarah Palin's resignation speech was the definition of whack.

EX2: Transformers 2's box office numbers are incredible! That's whack.

EX3: Nintendo hasn't ported Earthbound to the DS yet. That is completely whack.

Whack by smpoza July 4, 2009

whack 

The bac is whack!

whack by Anonymous May 2, 2003

whack 

Adulterant used to increase the bulk of illicit substances.

"The cocaine is not powerful enough. It contains too much whack and not enough product to satisfy the discriminating user."

whack by muttleydeed September 4, 2005

whack 

A term (Mainly in private schools in England) used to demonstrate the presence of either sexual intentions or a relationship between two other people.

Look! John and Shirley! Whack!

whack by John D.D Taylor April 29, 2007