Small breasts that take on no shape. Not indifferent to a slight stomach or arm fat. Only recognizable by the two nipples. Chest flab is most commonly found on Asian women.
by Curtis Green September 1, 2007

by atomic thigh clap August 2, 2011

by Cody crawford September 28, 2006

When two really obese people are schmanging and their rolls of excess flab interlock in a greasy conglomeration.
I bet Beerman and Chaplar are in the process of having some serious Flab Kisses right now, I bet their sex is so gross.
by queefsucker February 23, 2015

An activity defined by the desire to exercise and build a rippling set of abdominal muscles that ends instead with the sedentary consumption of junk food.
"Hey man, weren't you suppose to workout today?"
"Well, I was, but I got lazy and opted for a flab workout instead."
"Well, I was, but I got lazy and opted for a flab workout instead."
by bloomintemp8 October 28, 2011

This is when a guy is so fat that he has man boobs and they drive girls away usually used to determine if somebody is worthy of a girlfriend
Dude1: hey man I think Kyle could totally get a date for the prom
Dude2: no way man and u would see that when u compensated for his flab factor
Dude2: no way man and u would see that when u compensated for his flab factor
by barnicle20 May 19, 2011
