Have a big mouth

usgb
verb phrase

To speak without thinking or discretion, often sharing secrets or private information.

Be careful what you tell John, he has a big mouth and might spread your secrets.
Visual representation of "have a big mouth" - To speak without thinking or discretion, often sharing secrets or private information

Often appears as...

  • can't keep a secret
  • known to have a big mouth

Usage tips

Informal, Disapproving

Colloquial

Definition 1 of 2
Visual representation of "have a big mouth"
LampPro Tip 1/3

Trust Implications

Using 'have a big mouth' suggests someone may break your trust by talking carelessly.

Illustration for Trust Implications
I didn't invite Clara since she has a big mouth and would've spilled the surprise.
LampPro Tip 2/3

Confidential Matters

It's often used when discussing matters that should be kept confidential or private.

Illustration for Confidential Matters
Don't discuss your salary around him; he's got a big mouth.
LampPro Tip 3/3

Informal Context

Considered informal; the phrase isn't used in professional or formal circumstances.

Illustration for Informal Context
No one in the office talks to him about personal stuff because he has a big mouth.
Visual representation of the word "Have a big mouth"

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