A contraction of "This Is Fucked Mate". Generally used to describe an impossible situation created by one's superiors at work that the peons have to deal with.
Worker 1: "The boss wants that container emptied by this arvo".
Worker 2: "But he sent all the staff out and I'm here by myself!"
Worker 1: "TIFM"
Worker 2: "But he sent all the staff out and I'm here by myself!"
Worker 1: "TIFM"
by Stealthmodeon May 3, 2011