idioms using “mouth”

Foam at the mouth

To be extremely angry

“Avoid Takaki-san today, if you can; he’s foaming at the mouth about the product delays.“

Mouth off

To speak rudely or disrespectfully

“The salesman was fired for mouthing off to one of the company’s top customers.“

Make one’s mouth water

To look delicious (food), to be very appealing (other items)

“The new line of handbags made Ito-san’s mouth water, but she couldn’t afford to buy one.“

Mouthy

Someone who speaks rudely and with disdain

“The mouthy teenager was thrown out of class for talking back to the teacher.“

A big mouth

A person who can’t keep a secret

“Don’t tell Sakura-san anything you need to keep confidential. He’s a big mouth.“