run (one's) mouth

(redirected from running her mouth)
Like this video? Subscribe to our free daily email and get a new idiom video every day!

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 ?
In the promo that aired following Monday night's episode, Brooke can be seen telling Jade that she needs to stop running her mouth about Marcus, however, Jade explains that she helped him get divorced so they can be together.
Other choice "quotes" from Palin that fooled Us Weekly included, "Here's another case of an airhead diva going on TV, running her mouth off, sounding like a fool.