G.O. Short for game over when texting or short chat
Game over... finished, through, The End!, the buck stops here, ...!
U made ur last move n this relationship g.o.! gb!
game over finish finished over through done end, the end break up canceled
Used in a sarcastic manner, to emphasize a bad joke or a failing attempt at any type of humor.
Fred: "Yeah, she was an honor student."
Johnny: "YOUR MOM'S AN HONOR STUDENT!"