Top definition
adjective;
1) to be "Hung-Over-As-Fuck"

noun;
2) The acronym which signifies that one is "Hung-Over-As-Fuck"
HOAF Guy: Hey boss, I'm going to have to cut out of work early today on account of being HOAF. I must have drank 25 beers last night.

Boss: That's okay (your name), why don't you go home and take a HOAF day to recover. And don't worry, your secret is safe with me...
by HOAF Guy July 16, 2012
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