to foul one's (own) nest
01
to behave in a way that damages or undermines one's own reputation or success
![to [foul] {one's} (own|) nest definition and meaning](https://cdn.langeek.co/photo/40867/original/?type=jpeg "to [foul] {one's} (own|) nest definition and meaning")
Disapproving
Idiom
예시들
The country's excessive military spending has fouled its own nest by bankrupting the economy and leaving little funds for infrastructure and social programs.
