be all talk (and no action)

be all talk (and no action)

To talk a lot about something that one has not actually done or will not actually do. She may brag about donating money to the school, but I know she's all talk and no action. Oh, he's all talk—he's never worked a day in his life!

See also: all, no, talk

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

be all ˈtalk (and no action)

(disapproving) be a person who talks a lot about what they are going to do or have done without actually doing much: Don’t listen to her promises — she’s all talk and no action.

See also: all, talk

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