Zip your lip!
Zip (up) your lip(s)!
slang Stop talking; shut up. A: "But Mom, I don't want to go!" B: "Zip your lip, Charlie! You're going to math camp, and that's final!" All right, everyone, zip up your lips! I don't want to hear another sound until the presentation is over.
Zip (up) your lip!and Zip it up!
Inf. Be quiet!; Close your mouth and be quiet! "I've heard enough. Zip your lip!" hollered the coach. Andy: All right, you guys. Shut up! Zip it up! Bob: Sorry. Andy: That's better.
Zip your lip!verb
See Zip up your lip!