An ugly girl you picked up and had sex with but has to leave before the sun comes up.

when you're hungover as shit after a spending a night drunk as a skunk

An Verry ugly female, used only for the most desperate late night booty call.

An aircraft designed specifically for night ops. This type was first used during World War II and was used until aircraft were designed to work in day and night equally well.

A one night stand with an UGLY girl because you couldn't get laid by the hot chick who left you and the bar with a hard on.

One who searches with desperation for a mate when the night draws near its end. This term is normally reserved for non aesthetically pleasing females.

An exceptionally ugly woman called in desperate times. This is usually accompanied by turning off the lights and telling her your electric has been disconnected.