"Work is slow today. Im FTFU and just want to go home"
In reference to extreme levels of inebriation from alcohol, weed, or other drugs. Usually posted as a facebook status, sent as a text message, or exclaimed as 'FUCKED THE FUCK UP'
The origin of the term seems to be as a variation of the popular STFU.
Text: im soo ftfu sadf
Exclaimed: THIS SHOTS FOR YOU! I'M FUCKED THE FUCK UP!