Extreme drunkeness.
Jacobi had one too many shots and beers, and uh oh, he got shlobbernogged.
A used piece of toilet paper
Little Timmy just learned how to go number 2, but oops, he dropped a little boof specimen on the bathroom floor.
The area of skin between the balls and anus, or the vagina and anus. Also referred to as the taint.
Sally's paduba had an extraordinary amount of hair on it.