When you drink a fizzy drink so fast that you cant hold the bubbles in anymore. They exit through the nose and leaving a path of burning destruction behind them. Often leaving the drinker with singed nasal hair and watering eyes.
Tom: You shouldn't drink that coke so fast, you will dragon burp!
sam: Nahh i'll be fine man!
Tom: Holy fuck I think some fire came out!
Sam: Oh shit, It burns!