hat up

An older expression (circa 1950's) used to describe the action of leaving one's present location (see outie)
"Gotta work in the morning, so I'm gonna hat up."
by B.T. Foster July 27, 2006
mugGet the hat up mug.

hat up

To wear a condom.
"Did she make you hat up?"
by Seros February 21, 2009
mugGet the hat up mug.