A fork of Rural Dictionary
Means 'as fuck' and is used to clarify things. You can also use it as the word 'very' or 'really'. Mostly used online or in text messages.
1) I'm really tired; I'm tired af
2) I ship them so hard, I'm (shipname) af
3) He won't stop poking me, he's annoying af.
4) They are dark AF