(even) a worm will turn

(even) a worm will turn

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

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

(even) a worm will turn

even a meek person will resist or retaliate if pushed too far. proverb
See also: turn, will, worm