Okay. A man walks into a cafe. Says: "I'll have a cappo, thanks."
Say what?
I suppose you could say it's a part of a long Australian tradition of shortening a word and adding an "o" at the end. Reffo. Compo. Dingo (oops that's a word).
Mind you if he'd asked for a "Muggo" I may not have been able to restrain myself.