hahah thought it would that used to be happen to me on occasion. i enjoyed burping up smoke it was pretty amusing to me but a couple times it happened in school and well that probably wasn't good.
if you burp smoke (or smurp as it's commonly known around these parts) you're inhaling wrong. you can't burp what's in your lungs; you burp what's in your stomach. in other words, you swallowed the smoke, literally wasting that good ol' THC