If you have interacted with a man in public at any point in your life, you have likely borne witness to a burp-and-blow. A burp-and-blow is when you are talking to a man, and they burp ...
The only thing grosser than a burp is what causes it: bacteria deep in your belly. And, of course, extra gas and fizzy drinks. Billions of tiny bacteria hang out in your intestines to help digestion.