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1.
sweat under one's breasts (sweat + boob = swoob)
The combination of the hot day and the tight sports bra created a serious swoob problem for Alicia.
by Myth31 August 11, 2003
 
2.
When it is knarly hot and you have a profuse sweat going onunder your breasts.

Sweaty + Boobs= Swoobs
I have a serious case of the swoobs.
by Chenze August 28, 2006
 
3.
When boobs get sweaty, underneath and/or in between.
Guy: Oh man, its hot out today. I got swalls over here.

Girl: I hear ya, I got some swoobs goin on.
by Wicked Pissa Melissa April 28, 2009
 
4.
When sweat gathers in your cleavage...you get swoobs
by Anonymous April 15, 2003
 
5.
the sweat or "juice" that comes under the boob when a fat man or women is to hot to function.
"man that girl is fine!! my swoob is acting up."
by Regius_Raegan June 28, 2014
 
6.
sweaty boobs
Man, that girl has got some swoobs.
by Kourtney_K January 21, 2012
 
7.
when a female sweats in her boob when shes exercising or hot
omg, all this running is making me swoob.
by Emmmmmma May 24, 2006