The Collaborative International Dictionary
Loud-mouthed
Loud-mouthed \Loud"-mouthed`\, a. Having a loud voice; talking or sounding noisily; noisily impudent or offensive.
WordNet
loud-mouthed
adj. given to loud offensive talk
Usage examples of "loud-mouthed".
It was for dealing with loud-mouthed skiers and their giggling bunnies that God said, on the eighth day, let there also be handguns!
Just about eligible to travel with this bilk here--Shadbelly Higgins--this loud-mouthed sneak that shoots people in the back and calls himself a desperado.