An abbreviation for "she wants to fuck you." Usually uttered from one bro to another bro after a girl has shown her hand.
Guy 1 to Guy 2: "So I'm visiting my brother at NYU this weekend and we signed up for a pong tournament. Cash prize for first place is $200."
Random Chick 1: "Oh my gosh! Good luck!"
Guy 2 to Guy 1: "S.W.T.F.Y., dude."
Guy 1 to Guy 2: "Truth."
This is for Rachel you big fat white nasty smelling fat bitch why you took me off the motherfucking schedule with your trifflin dirty whiteracist ass you big fat oompa loompa ass bitch i’m coming up there and i’m going to beat the fuck out of you bitch
Karen: Where is your manager?
Manager: T.I.F.R.Y.B.F.W.N.S.F.B.W.Y.T.M.O.T.M.F.S.W.Y.T.D.W.R.A.B.F.B.O.L.B.A.I.C.U.T.A.I.G.B.T.F.O.Y.B