look up any word, like smh:
A Soft White UnderBelly due to the inability of your entire fat stomach to be exposed to the sun.

A swub may be remedied by losing weight or putting yourself at a certain angle to allow swub to be exposed to ultraviolet rays.

(AKA s.w.u.b.)
Don Vito has a swub.
by Kavia May 01, 2006