Be all mouth

usgb
phrase

To talk a lot without taking action.

He promised to clean the house but never did. He's all mouth.
Visual representation of "be all mouth" - To talk a lot without taking action

Often appears as...

  • all mouth and no trousers
  • she's all mouth

Usage tips

Disapproving

Colloquial

Definition 1 of 1
Visual representation of "be all mouth"
LampPro Tip 1/3

Colloquial Usage

The phrase is casual and best suited for informal conversations, not formal settings.

Illustration for Colloquial Usage
My brother always boasts about his cooking skills but when asked to cook, he's all mouth.
LampPro Tip 2/3

Negative Connotation

Using 'be all mouth' implies a negative opinion about someone's credibility or seriousness.

Illustration for Negative Connotation
She claims she'll start her diet every Monday, but she's all mouth.
LampPro Tip 3/3

Emotional Impact

The phrase can be offensive or hurtful if directed at someone; use with caution.

Illustration for Emotional Impact
Jake said he would help us move, but he was all mouth.
Visual representation of the word "Be all mouth"

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