Relatively self-explanatory - the mound of fat, found usually in women but sometimes in men - over the crotch in very obese people. Also spelled crotch fat.
My high school librarian had some serious crotchfat - I don't know how she can even fit in her pants.
by BWS55 February 11, 2008
Christ when he sat down his crotch fat looked like an oversized pillow
by Fat Bastard August 07, 2002