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."
by John abuzi November 10, 2015

by Damonnn84 February 15, 2017

by Huke_Lemmings January 11, 2016

Shorthand for "As Fuck." A slang term commonly used by people who are to lazy to write it in the proper manner. Usually found on social media.
by 0utat1me January 5, 2016

Typically used as an adverbial or adjectival acronym meaning, "as fuck", AF refers to a higher, more significant version of the verb. When you are "extra" tired, you are tired AF. Might also work with nouns, although grammatically might be disjointed.
by The Review Dude February 25, 2017
