Onomatopoeic.
An attitude or situation causing a retraction of the lower jaw, potentialy causing drooling, and the resulting noise. Gawping.
Used on its own to describe a response to a given (stupid) situation.
man 1: 'So we were stuck on the road for over 30 minutes which was playing havoc with the sandwiches in that heat and...'
The act of burping into anotherperson, or having been burped into, anally.
"Yo bra, it would be totally fresh if you gurped me."
"I was gonna go over to Todd's to gurp; mind if I bring your N64, your Miller High Life, and your Butterfingers?"
"I heard someone got gurped so hard, their head was blown clean off."