Definitions by Peter Piper Pan

gtfo 

Mostly used as GetTheFuckOut but is sometimes used like GetTheFuckOff, another version is gtfa which is GetThe FuckAway, or GoTheFuckAway

0MfG!!1! GTFO MY C4N0n j0o N0oBlet!
OMFG!!!! GTFO my Cannon you nooblet!

gtfo by Peter Piper Pan July 28, 2006