Short form of hung as fuck or hungover as fuck. Used after an especially DAF night.
What the fuck happened last night? I'm HAF and I don't remember anything.
by Steph DC July 21, 2008
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an acronym for the phrase "healthy as Fuck"
A:What kind of cereal do you want?
B:chex
A: dude! chex are HAF!
by cloverparkschooldistrict August 20, 2011
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Hot as fuck Specimen: ie when a girl or guy is hot beyond measure
by Q&H May 14, 2016
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Abbreviation for "High as fuck." Similair and converse to "Daf," meaning "Drunk as fuck."
Person 1: "Man, I think I had a great time last night; not sure though, since i was so Daf."

Person 2: "Huh? Sorryy....I'm haf right now!"
by dunbarmedallion January 19, 2012
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Informal use of the modal verb have to.
"What do you haf to do today?"

I haf to clean the litter box and do my homework.
by Mistur Minecraft May 15, 2020
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H- High
A-As
F-Fuck

you place it after a sentence if when you typed it you were high as fuck.(haf)<-Like that
Holy Shit I love my grandma she bought me Reese peanut butter cups!(haf)
by Bad-Fish June 29, 2011
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Fucking amazing babe. no one can live without a Haf. Hard to find suck a beautiful girl. She is sexy, hot and always horny
by YourMyPrettyLady February 24, 2009
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