Definition of "af"

af

/eɪ̯ˈɛf/

adverb
not comparable
1. (postpositive, vulgar, slang, Internet slang, text messaging) Initialism of as fuck.
  Quotations
  Bored af!!!!
  2009 April 6, Ashley Kull, “Bored af!!!!”, in Twitter‎, archived from the original on 2016-06-14
  ‘Seen them there a few times. Arrives early, leaves alone. Social though. Friendly. Dishy af.’Dishy af. You can say that again.
  2021, Isabel Waidner, Sterling Karat Gold, Peninsula Press, page 16