The moldy buildup found under the foreskin of an unclean penis.

fromunda cheese is a soft yet sticky substance found between the butt hole and ball sack. Its rather stinky, smells like a old dish rag and dog shit mixture.

Nasty stuff from under the balls

Contrary to popular belief, not just the nutsack need be involved but rather also referring to the oh-so-pungent, sweaty buildup beneath the undulating, fatpads of those of us who've perhaps made a few too many trips to the neighborhood Bojangles.

The film that collects on and under the scrotum.

greasy stuff between ur dick and ass.

A ricotta-cheese like substance that smells like budikussy, usually found inside and around the foreskin of those freaks whose parents were too sadistic to get them circumsized; for those with normal parents, it is usually found in that stanky area where the dick shaft meets the balls, and under the balls around the taint.