foul own nest


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foul (one's) own nest

To do something that causes problems for oneself. I'm pretty sure I fouled my own nest when I accidentally insulted the boss's daughter at the holiday party.
See also: foul, nest, own

foul one's (own) nest

To do something that creates problems for oneself. I wouldn't talk to the boss while you're angry—you'll just end up fouling your own nest.
See also: foul, nest
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

foul one's own nest

Fig. to harm one's own interests; to bring disadvantage upon oneself. (Alludes to a bird excreting into its own nest. See also It's an ill bird that fouls its own nest.) He tried to discredit a fellow senator with the president, but just succeeded in fouling his own nest. The boss really dislikes Mary. She certainly fouled her own nest when she spread those rumors about him.
See also: foul, nest, own
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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