watch (one's) mouth
To be very mindful or cautious about what one says; to control what one says in order to avoid offensive language. Watch your mouth! I don't care how you speak at home, that's not how we talk here. After being threatened with detention for my snide remarks in class, I knew I had to watch my mouth for the rest of the semester.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.
Watch your mouth!
and Watch your tongue! Watch your language!Inf. Pay attention to what you are saying!; Do not say anything rude! Hey, don't talk that way! Watch your mouth! Watch your tongue, garbage mouth!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Watch your mouth!
and Watch your tongue! exclam. Pay attention to what you are saying!; Do not say anything rude! Hey, don’t talk that way! Watch your mouth! Listen, potty-mouth! Watch your tongue!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.