run (one's) mouth

(redirected from runs his mouth)
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run (one's) mouth

To talk profusely, especially in an antagonizing way. Don't worry about him. He likes to run his mouth, but he won't do anything. If she keeps running her mouth at the referee, she's going to be ejected from this game. Every time I go down to the warehouse, Lonnie is there running his mouth. I don't know how the other guys can stand to hear him talking all day.
See also: mouth, run
References in periodicals archive ?
So he runs his mouth off to a complete stranger after one pint then, I guess.
At times, Morgan runs his mouth as if he's getting paid by the word.
So I hate to say bad things about him, but sometimes he runs his mouth too much.
Nevertheless, he runs his mouth and his computer all over educational policies bearing upon opportunities--or barriers--available to black people.
He feeds off it and runs his mouth a lot, but it's not all trash talk.
Centerscreen for the entire running time, this clearly neurotic fellow runs his mouth to the camera and his passengers with a seemingly limitless supply of opinions and factoids.