Girl 1: Guess what I did in the public toilets! :D
Girl 2: *oh god..* What!
Girl 1: I had a Fuck fuck fuckitty fuck fuck fuck .. WITH MY SCHMOOTZY POO!
Girl 2: *WHAT DA FAAAAAAAAAAARK* cool.
Catchphrase uttered by someone when something is really not working out well, or when someone is spiting someone else. The phrase comes from Eric Cartman in South Park.