foul one's own nest

== English == === Etymology === From the proverb it's an ill bird that fouls its own nest. === Verb === foul one's own nest (third-person singular simple present fouls one's own nest, present participle fouling one's own nest, simple past and past participle fouled one's own nest) To damage one's environment. To hurt one's own interests, especially to damage the reputation of one's self, family or group. Synonym: shoot oneself in the foot ==== Translations ==== ==== See also ==== don't shit in your own nest