WTFIUWTMFSFFD Share definition Flag What the fuck is up with that motherfucking shitface fuck dude??? jee: that asshole said he need to use my phone but ran off with it instead. kay:WTFIUWTMFSFFD!??? WTFIUWTMFSFFD by str8_ridah December 2, 2007 Get the WTFIUWTMFSFFD mug.