mouth off

(redirected from Mouthing Off)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
Like this video? Subscribe to our free daily email and get a new idiom video every day!

mouth off

1. To speak without discretion; to speak too loudly or freely, especially about sensitive topics or information. We would have gotten away with our plan if your dumb cousin hadn't started mouthing off all over town.
2. To make disrespectful comments; to sass someone. You're going to get detention again if you keep mouthing off to your teacher.
See also: mouth, off
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

mouth off

to speak out of turn; to backtalk. If you mouth off, I will ground you for three weeks. Don't mouth off at me, buster!
See also: mouth, off
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

mouth off

1. Complain or express one's opinions loudly and indiscreetly, as in She was always mouthing off about the other members. [Slang; 1960s]
2. Speak impudently, talk back, as in He got in trouble by mouthing off to his teacher. [Slang; 1960s]
See also: mouth, off
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

mouth off

v. Slang
To express one's opinions or complaints in a loud, indiscreet manner: Quit mouthing off about what you think is wrong, and go do something about it! Don't mouth off to your parents like that!
See also: mouth, off
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

mouth off

in. to give (someone) back talk. If you mouth off, I will ground you for three weeks.
See also: mouth, off
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
See also:
References in periodicals archive ?
HeOs been mouthing off about celebs who campaign for charity.
But Scott hit back: 'He did plenty of mouthing off before pulling out in March.
'But he's the man in the job and it's a hard enough task without me mouthing off.
BILLIE Piper's comeback to Doctor Who had fans mouthing off - about her character Rose Tyler's upmarket lisping voice.
Thomson was shown a second yellow card for mouthing off at a linesman in the 58th minute and when he left the scene, Gary Dempsey cancelled Derek Riordan's opener to give Dunfermline a 1-1 draw.
Mouthing off about how she's taken to motherhood like a duck to water and, as if that wasn't enough, how she just loves her 'housewife' role.
Billy's brace yesterday clinched a 2-1 win over St Johnstone in a shaky start for the champions but the little hitman, whose two injury-time goals helped dump Zalgiris 4-1 in midweek, said: "It's been a nice week but it's pointless mouthing off.
And guitarist Alison Mosshart has been mouthing off about her influence.
It seems that Steve has been mouthing off to his friends that he is totally uninterested in the pregnancy.
Ref Ian Brines had a quiet night, booking two Sons players - Michael Dickie for a foul and Paddy Flannery for mouthing off at his team-mates.
Then just before the break Jim Sherry was sensationally sent off for mouthing off at referee John Fleming.
Meanwhile, Chris Moyles was mouthing off that he'd beat rival Terry Wogan in the ratings when he "pops his clogs".
Combs said a man started "mouthing off" at him as he left Club New York with ex-girlfriend Jennifer Lopez and a group of friends.