don't knock it

don't knock it

Don't criticize or judge something. Don't knock it, man. Cold pizza is the breakfast of champions.
See also: knock
Farlex Dictionary of Idioms.

Don't knock it.

Don't criticize it. You don't want any okra? Don't knock it.
See also: knock
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • come Monday
  • don't fret
  • Don’t make a federal case out of it!
  • don't bet on it
  • doesn't know beans
  • don't get me wrong
  • don't beat a dead horse
  • all in (one's) head
  • don't cry before you are hurt