zip up one's lip

Verb

zip one's lip (third-person singular simple present zips one's lip, present participle zipping one's lip, simple past and past participle zipped one's lip)

1. (idiomatic, imperative, informal, often) To refrain from or to stop talking; to be quiet; shut up.
   • Why don’t you just zip your lip? I’m tired of listening to you.

   Synonyms:

   button it, button one’s lip, can it, put a sock in it, shut it, shut one’s face, shut one’s gob, shut one’s mouth, shut one’s trap, shut up