N. This describes when one does not wipe (in going to the bathroom) properly, and thus infestations of what was to be wiped are now pushed under the poor sap’s fingernail(s). (This term was begun by Artie Lange of the Howard Stern Show.)
“Yo Bill what’s that under your fingernail? You stupid ass, can’t you wipe yourself? Now you’ve got shitnail.”
Shitbailing is a delicate process of running as fast as one can away from an awkward situation. One must call out Shitbail! before running.
When a man is having sexual relations with a female for the fun of it, believing there are no strings attached and the female asks to "Take it to the next level." (having a relationship that might mean something) the man must proceed to shout out "SHITBAIL" as loud as possible and run the hell away.