look up any word, like half chub:
 
1.
to sleep (the zzz in the word bubble over sleepers heads in comics).
I'm going to catch some z's before I go to work.
by J. C. Brooks December 06, 2004
 
2.
(idiom) Go to sleep
Aa Bb Cc
by One Eyed Milkman May 31, 2004