Short for "and Fun". Commonly used to make sure the person you're talking to knows that whatever you're talking about was also fun.
That party was dope AF - "That party was dope and fun!"
That code is 🧽 AF - "That code is clean and fun"
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That selfie looks bomb Af

Translation: That Selfie looks Bomb "As Fuck"
by Memey God September 14, 2018
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We already had OMG, LOL, and WTF, but 2014 brought about a new acronym that was popularized thanks to texting and online chatting. Abbreviating "as fuck" as AF has been happening for a while, but it was never actually spoken aloud as much as 2014. Some pronounce it "A Eff" and others simply "af."
"I'm hungry as fuck" =Old word
"I'm hungry AF" = New word
by John abuzi September 26, 2015
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Man that party was tight AF last night.
by Arrrland April 11, 2010
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Aunt Flo , a term used by many women who choose not to say period.
by Lee February 20, 2005
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