Top definition
the phenomenon by which the eyes of heterosexual males automatically focus in on the cleavage of a woman, if only for a brief moment, as soon as it enters their field of vision; a combination of the words cleavage and radar
"Dude, I'm sorry I was looking at your girl's tits, it's just that my cleave-dar was acting up"
by Xaphier August 17, 2008
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