mouth off
The phrase "mouth off" is informal and often used to describe speaking rudely or loudly, especially in defiance or complaint.
Definition
B2General
(informal, disapproving)To speak loudly and rudely, often in a defiant or disrespectful manner.
Example
- He got in trouble for mouthing off to the teacher.
- She mouthed off during the meeting, upsetting everyone.
B2Interpersonal
(informal, disapproving)To talk back or respond disrespectfully to someone in authority.
Example
- The teenager mouthed off to his parents when they grounded him.
B2Public Expression
(informal, disapproving)To loudly express complaints or opinions in an inconsiderate way.
Example
- People started mouthing off about the new policy as soon as it was announced.
Similar
Terms that have similar or relatively close meanings to "mouth off":
big mouthmouth the wordsoral cavitywash one's mouth outwatch one's mouthrun off at the mouthmouth rapepotty mouthshoot off at the mouthmouth harpbad taste in one's mouthmouth breathergive tongueopen widefoam at the mouthmouth breathingmouth musicbuccal cavityspout offmonkey lipsfroth at the mouthspit outspout output words in someone's mouthplum in one's moutha closed mouth catches no flies