1. When only the bottom of a woman's breasts are exposed. 2. When a woman is wearing a shirt that comes "UP" to the center of her nipples. 3. Also know and Bottom-Breasts. (Down-Shirt cleavage does not count as Nipple Cleavage.
by the2ndflood February 21, 2008
by Daltron2000 November 16, 2009
Something very hot, hip, or happening. Where the hepcats roll. Like the bee's knees, but much sexier.
That there is the shit! It's the bee's knees! The wasp's nipples! Every major erogenous zone of any common insect!
by El Toro Grande October 04, 2005
When someone (usually a very obese person) has a nipple with some extra baggage on the bottom of it.
"Dude did you see that guy?!?!?! His tits were hella saggy!!!" "Yeah, I think he has a Nipple Sack!!! Nipple Sack
by BillyMaysFTW May 31, 2009
Once Old Man Johnson took off the GILFs bra, he noticed she had nipple pits and immediately became aroused.
by Mister Wunderful October 17, 2007
by JizzRod January 24, 2009
Get away from me turd nipple.
by Travis October 02, 2003