if you keep your mouth shut, you won't put your foot in it

if you keep your mouth shut, you won't put your foot in it

If you keep quiet, then you won't unintentionally say something foolish, tactless, or offensive. A: "I just congratulated Sarah's sister on being pregnant. She isn't." B: "Oh, man, that's embarrassing. You know, if you keep your mouth shut, you won't put your foot in it." A: "Look, just let me do the talking in court, OK?" b: "Why?" A: "If you keep your mouth shut, you won't put your foot in it."
See also: foot, if, keep, mouth, put
Farlex Dictionary of Idioms.
See also:
  • put (one's) foot in it
  • put one's foot in it
  • put your foot in it
  • stick (one's) foot in (one's) mouth
  • put foot in mouth
  • foot in one's mouth, put one's
  • put (one's) foot in (one's) mouth
  • foot-in-mouth disease
  • drop a brick
  • drop a brick/clanger