lips are sealed

(one's) lips are sealed

One will not tell anyone; one will keep this a secret. Most often used in the expression "my lips are sealed." A: "Please don't tell anyone about this, I'm so embarrassed." B: "My lips are sealed." I told him not to say anything, and he said his lips are sealed, so hopefully he'll be able to keep a secret this time.
See also: lip, seal

(one's) lips are sealed

Used to indicate that one will not disclose a piece of information.
See also: lip, seal
References in periodicals archive ?
A GREAT White's lips are sealed as it nips out for some-fin to eat.
EDINBURGH-BASED DJ Jon Pleased, AKA The Visitor, has reworked the 80s classic Our Lips are Sealed.
Released on the highly respected Wall of Sound label, who have just celebrated 10 years of cool dance tunes, Our Lips are Sealed also features Roxanne Wilde, sister of 80's star Kim Wilde, on vocals.
SCHOOL'S out for summer and to help you make the most of those long holidays Dualstar Entertainment Group, Inc and Warner Home Video are releasing Our Lips Are Sealed, the fab all-new movie from those tween icons Mary-Kate and Ashley Olsen.
My lips are sealed," said spokesman Tom Burke, upon returning an editor's call.
His lips are sealed, by edict of the NBA, so Del Harris couldn't rip his players for a nonchalant practice Thursday.
Film and music star Hilary Duff puts on the glass slipper with four new songs, including the first single and video, a cover of the Go Go's "Our Lips Are Sealed," by Hilary Duff and Haylie Duff.
Fox Television has chosen music from the up-and-coming Seattle band Quickie for "American High" and the Fox Family Channel's "Our Lips Are Sealed," featuring the Olsen twins.