Gurfulling
When gas is rotating out loud in your stomach, putting so much pressure on your bowel region that you feel like, if you don't get to a toilet immediately, you will soil your pants.
Girl - "what was that noise and why is your face all red?
Guy - "I'm tryin to squeeze my cheeks together cause my stomach be gurfulling".
Guy - "I'm tryin to squeeze my cheeks together cause my stomach be gurfulling".