It is an emission of gas from someone's ass, particularly observed in Latinos or other chili eaters, that when reaches your respiratory system and penetrates your blood stream makes you feel very funny, then drowsy, then affects your equilibrium, then disables your capability to understand events surrounding you, then makes you vomit (terribly), expelling even that breakfast from 3 weeks ago, and finally gives you a hangover that last for 2 days.

When you eat dirt for the first time and leave your family to build a shack in the woods