A pathetic, worthless human being whose existance is so meaningless and depressing that they must participate in various hobbies (such as bird watching) in order to keep themselves from putting a shotgun in thier mouth. Can be used in place of many other insults such as faggot, shithead, potato, douchebag, dickweed, or asshole.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.

A guy that you fuck as a hobby. He is basically a pastime fuck or leisure activity.