look up any word, like basic bitch:
 
1.
The sneaky cleavage a girl puts into her photos for sex appeal. Usually under the pretence that it was an accident.
Dude 1: Did you see Amanada's new profile picture? Where did they come from!?

Dude 2: Yeh i saw it. It looks accidental mate, but it's a total Cleavesneak.
by TheBald October 12, 2010