[Idiom] ZIP YOUR LIPS. - The Power and Importance of Staying Silent
Zip your lips.
remain silent
Telling someone to 'Zip your lips' is a colloquial way of asking them to stop talking or keep a secret. Picture a zipper pulling closed over someone's mouth, a vivid image that emphasizes the need for silence, either to prevent sharing sensitive information or to avoid speaking inappropriately.
Example Sentences
Better zip your lips about that surprise party.
You should keep quiet about the surprise party to not ruin it.
She had to zip her lips about the confidential information.
She needed to remain silent about the confidential information.
If you can't say anything nice, zip your lips.
If you can't say something nice, it's better to keep silent.