PTFO

Pass the Fuck out. A useful acronym that describes the sudden phonomena of being awake, to suddenly feeling a wave of sleepiness soon followed by intense narcalepsy. This is usually a side effect of staying up really late or being drunk as hell. This acronym is often said to a friend who isn't aware of your situation.

Yo man sorry I didn't get back to your text last night, I was watching tv and PTFO.

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