Top Definition
The gap between a tight fitting shirt and a woman's breasts seen from the side. This is the most sexual type of cleavage and should never be overlooked.
Boy 1: Yo dude, see that chick over there?

Boy 2: The masculasian?

Boy 1: No way man, the other one.

Boy 2: The one with the sexy gap between her boobs

and shirt?

Boy 1: Basically, that's Over Boob Cleavage.

Boy 2: Shit son! That's the sexiest thing ever.
by SexPanther_Spreading_the_Truth March 01, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.