Meaning of wack

wack

Pronunciation: (wak), [key]
— Slang. Slang.
—n.
  1. wacko.
—adj.
  1. very bad: All drugs are bad, but crack is wack.
  2. extreme; far-out.

wack

Pronunciation: (wak), [key]
— v.t., v.i., n.
  1. whack.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.