Top Definition
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
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