Flap Crap

Hygienically challenged, usually overweight, people can develop a residue of body secretions on their person, typically in compressed areas of the body described as "folds". It can also accumulate in the groin. This filmy substance has a distinct and unpleasant odor. Like crap.

I would go on a date with Tina, but damn she smells like flap crap. I don't want to get that stuff on my hands.

I gave Cortney a lift home, now my whole car smells like flap crap.