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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
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Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
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2
To wear a condom.
"Did she make you hat up?"
by Seros October 16, 2008
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