n: the sticky medley of skin cells, sweat, dried urine/semen, fecal matter, and pubic hair that accumulates either in the upper portion of the taint, directly beneath the scrotum, or at base of the penis, where it lays across the top of the scrotum
Man 1: Dude, your hand stinks!
Man 2: Sorry. I was scratching my nuts, and got some vrumunda cheese under my fingernail.
slapping the head of one's penis to another person's forehead, usually achieved stealthily
My girlfriend fell asleep watching t.v. on the couch, so I snuck up behind her, and woke her up with a ferocious baptism.