ttyiaf Share definition Flag Short texting abbreviation of talk to you in a few, a play on the more common talk to you later - ttyl. *Hears knock on door* One second someone's at the door, I'll brb ttyiaf. ttyiaf by randomcsdude May 8, 2016 0 0 Get merch Get the ttyiaf mug. Buy Now — $32.95 See more merch