Definitions by Ifitaintheavymetalitaintshit.

Umma Dinging 

A some-what chavvy term for something unpleasant smelling,and or disgustingly presented

Jay: did you see Emily last night dude!?
Fred: yeah,man she looked umma dinging

Dan: Did you just fart?
Gareth: Yeah man,why?
Dan: cos its umma dinging!

Umma Dinging by Ifitaintheavymetalitaintshit. October 12, 2009