端老窩

Simplified: 端老窝

duānlǎowō ㄉㄨㄢ ㄌㄠˇ ㄨㄛ

    • to wipe out an enemy's long-held base
    • to destroy a stronghold completely

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
take out the old nest
Meaning
To destroy an enemy's long-held base completely. Used of military, police or competitive actions.

Sources