When someone acts awkward towards you after a hook up like when someone purposefully avoids eye contact. When someone texts/calls you to come to party and then avoids you when you get there. When someone flakes on plans.

Literally everyone, ever. Including the writer of this definition.

a person who is a very stupid douche bag, or an act of very stupid douche bagness. Also used an adjective to describe something as such.

Noun, verb, or adjective. A couple that is so into each other, anything they do turns into gymnastics.