Jojo

A 'Jojo' is a slang term of 'joke'

A very stupid sounding slang word which originated from a school in the South Eastern suburbs of Melbourne, Australia in 2012.

Not classified as an official term of Australian Slang.

Michael: Hey Alex you're an absolutely donkey twat
Alex: That's not nice you jizzbrain

Michael: Chillout man I'm just jojo