Even a worm will turn

(even) a worm will turn

proverb Even quiet, submissive people will get angry if you continually agitate them. Sweet little Janine is going to snap at you if you keep bugging her—even a worm will turn sometimes.
See also: turn, will, worm
Farlex Dictionary of Idioms.

Even a worm will turn.

Prov. Even a meek person will become angry if you abuse him or her too much. You'd better stop maltreating Amy. She's a mild-mannered woman, but even a worm will turn.
See also: even, turn, will, worm
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (even) a worm will turn
  • a worm will turn
  • the worm turns
  • worm turns, the
  • teach a man to fish
  • it takes a village
  • village
  • worm turned
  • the worm (has) turned
  • the worm has turned