Having a loud voice; talking or sounding noisily; noisily impudent or offensive.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "loud-mouthed" in a sentence
"If Flora from Miami wrote the twenty-first-century version of Anna Karenina, she’d still be known as the loud-mouthed bitch who fell through the bathroom window."
"And so, to cut a long story short, a loud-mouthed big guy ends up stranded in a life boat while Bruce Lee mocks him, and all without a single fist raised."
"I have found that Libs, as a group, are the most hateful and racist group of loud-mouthed fools around."