Means Peace The Fuck Out when someone is tense.
PTFO, the deal is through.
Acronym for Passing The Fuck Out = i.e. being so dog tired that you go to sleep immediately upon getting into bed.
"After a long day at work, there's nothing more I'm looking forward to than pounding a bottle of red wine and PTFO."
1. An acronym meaning Passed The Fuck Out
2. An acronym meaning Pissed The Fuck Off
1. Sorry I didn't make it to the donkey show, I PTFO after that last round of lick suck chug
2. My BF sure was PTFO when he walked in on me doing butt stuff with my yoga instructor