What is he using for the fuel? Some sort of alcohol? Your boy is lucky to have you as a dad. If the fire didn't kill me, my old man would have!!!
Blaaster show this to his shrink
shrink: "and how does this make you feel?"
Blaaster: "pretty damn proud"
shrink: "free to go, and please, put a muffler on your scooter"
If we manage to get to the US this summer he can teach ya all how to do it.
My friends used to try something similar but the fuel wasn't coming from their mouth lol
i'd try it once after I watched someone else do it of course..