look up any word, like colorful friendship:
 
1.
Verb. To mysteriously disappear, without word or notice, from a party or social gathering.
Nick: Hey, do you know where KB went?
Dave: I don't know, I guess he left with that under age girl.
Nick: I knew he would pull a colby.

See vanish.
by hircockfriend August 18, 2011
20 3