Even a worm will turn

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(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. © 2015 Farlex, Inc, all rights reserved.

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. © 2002 by The McGraw-Hill Companies, Inc.
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