don't bark if you can't bite

don't bark if you can't bite

proverb Don't use threatening or aggressive words if you don't intend to take similar action. Bullies are notorious wimps. Don't bark if you can't bite, right?
See also: bark, bite, if
Farlex Dictionary of Idioms.
See also:
  • don't cry before you are hurt
  • a thing you don't want is dear at any price
  • cart before the horse, don't put/set the
  • don't get me wrong
  • don't beat a dead horse
  • all in (one's) head
  • come it
  • come it (with one)
  • (I) won't tell a soul