(adjective) Typically used in the jam band subculture (those who follow bands like Phish or Widespread Panic) to describe a modern-day hippie. A hetty chick will wear hemp sandals, no bra, have dreadlocks, and still manage to be sexy.

Let's get to the music festival and hit on some hetty chicks.

lot slang for "heady"

this town is so hetty we should be able to score some totally dank nuglets

A male who is considered an alpha male, think Conan the Barberian, Hulk Hogan. A true Hetty loves vagina, drinking, and punching things.

Did you see that guy? He loves vagina, meat, and beer. He is a hetty.

The act of a girl vanishing early from a party for no apparent reason. Typically done without anybody's knowledge. Usually signalled by a quick glance at a watch/clock. Often coupled with a look of complete disinterest. The 'Kaiser Soze' is the male version of this act.