Faffling is when a person performs a completely random and pointless act, e.x. Little Jae and David is gonna play a game. But instead of joining David, Jae is watching porn. Short for that is faffling
Guy 1: Dude come over to my house so we can drink!
Guy 2: Nah, I'm watching a new movie with Verne Troyer!
Guy 1: Stop faffling!