Similar in size and and shape to a gunt. Develops on sorority sisters after excessive sonsumption of semen. Driving a Volkswagen Jetta increases the liklihood of developing a cum belly.
She spent all her weekends at the frat house and all she has to show for it is a raw twat and a cum belly.
by Dumpah January 12, 2003
A fat woman's belly, typically seen protruding between a midriff shirt and low rise jeans. Often has the appearance of a blubbery spare tire. Generally makes an excellent jerk-off location.
Look at the cumbelly on that fat hoe! Feed that bitch a sausage and she'll let you have your way.
by Lucy Cumbelly May 09, 2007