Flunce
The upgrade to a dunce (2.0).
That guy is really behaving like a flunce, big time.
flunce
When a socially inept dunce lacks the ability (learned or genetic) to exert reasonable control over flatulating (farting) in social situations.
"Man, you see those poor fools gagging over there next to Darious? Oh no.......he musta flunced BIG TIME. Get Rudy Poot up here on the double!!"