Get It The Fuck On!!!
I like this kinda party, GITFO!
Spoken word form of GTFO, or "Get the fuck out!" or "Go the fuck on".
Denis: Dude, Where you been?
Tim: I was just nailin these two chicks at the same time!
Tim: No man, seriously.
Fred: Where at? The morgue?
Tim: Dude, STFU.