run (one's) mouth

(redirected from running mouth)

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 ?
vital to look signs cancer The British Dental Health Foundation is running Mouth Cancer Action Month, which aims to get people to look out for ulcers which do not heal within three weeks, red and white patches in the mouth, and unusual lumps or swellings.