GUNK-UMS

The fat build up in between the thighs that rub (Also could be arm GUNK-UMS: The build up of fat on the side of the arm closest to the armpit)

I need to put vasaline between my legs because I get brush-burn on my GUNK-UMS!!!!

by word dropper November 11, 2009

gunk 'ums

Noun: When a woman's legs possess so much fat and cellulite that it hangs over her knee. The resulting roll of fat is a gunk 'um.

Damn buh, have you seen how fat Brina got lately. She got gunk 'ums now and everything.

by BenZei December 04, 2005