Definition of watch one's mouth in English:

watch one's mouth

informal Be careful about what one says: you’d better watch your mouth, mate, or we’ll have you
More example sentences
  • In the locker-room, too, he will have to watch his mouth.
  • After warning him to watch his mouth once again he walked off with his dogs.
  • I know damn well what I'm saying, and no way in hell am I watching my mouth.
See parent entry: mouth

Definition of watch one's mouth in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day demoralize
Pronunciation: dɪˈmɒrəlʌɪz
cause (someone) to lose confidence or hope