AF means As Fuck.
The Full Answer
AF is a slang abbreviation that stands for As Fuck, meaning extremely.
AF is used for emphasis after an adjective to indicate that someone or something is extremely as described, e.g. bored af…
or hot af…
or cool af…
or woke af.
You can also use af to emphasize that someone or something is definitely as described, e.g. true af…
or single af…
or married af.
Where Would You See AF?
In texting… and chat… and on messaging apps, such as WhatsApp… and Snapchat… and social media, such as Facebook… and Instagram… and Twitter.
John is petty af! He hid the remote control after we had an argument and has now gone out for the day.
Gonna get high af today.
My new gf is feminist af.
Random AF Stuff
— #YoungerTV (@YoungerTV) August 17, 2016
Younger, an American comedy-drama TV show that premiered in 2015, has made a lot of use of the slang term AF. The show itself is often referred to as Younger AF.
Fake AF was recorded by Father for his album, Young Hot Ebony (2014).
Other AF Meanings
Aunt Flo (menstruation).
Automatic Focus (photography).
Audio Frequency (sound).
Atrial Fibrillation (medical).
Abercrombie & Fitch (retailer).