"Are we having fun yet?" is the most famous quote by bizarre, non-sequitur-spouting comic strip character Zippy the Pinhead.
It was coined in 1979 by cartoonist Bill Griffith as one of the typically strange comments by Zippy, and caught on with the general public.
Guy to co-worker at boring job: "Hey Gus, how's it going?"
The reply, accompanied by eye-rolling and sarcastic tone: "Are we having fun yet?"