The opposite of Rizz - being completely unable to flirt or throw game. Fizz is referred to a substance that quickly fizzles out or disappears. Like some people's confidence in speaking to their object of attraction.
Carlos: Seriously bro? You think saying "Your hair looks small" is a compliment?
Daniel: I was nervous, you know how I get around Emily!
Carlos: You've got major fizz, bro. We need to work on that.
Australianabbreviation for fizz-gig. A police informer. Usually a petty criminal who informs on others to the police in return for payment, or a reduction in penalty when he is caught committing a crime himself. Sometimes shortened to gig.
Imreckon that Bob is a fizz-gig. I saw him talking to two drug squad cops last night.
I think Bob fizzed on Tom because those cops then went to ztom's house and arrested him for drugs.