An abbreviation for; There's Gay, There's Faggot, And Then There's You.
An insult typically used on Xbox One when a gamer is brought to an enraged state.
Jimmy: Lmao you fuckin suck.
Mandy: T.G.T.F.A.T.T.Y.
Jimmy: God mutherfucking damn
rolling on the floorlaughing so hard that every time i got up i fell down again then hit my head on a table and my mom
had to take me to the hospital all because i laughed.