同じ穴のムジナ

おなじあなのむじな

(villains) of the same stripe; birds of a feather; badgers of the same hole

Also written 同じ穴の狢、同じ穴のむじな、同じ穴の貉

Meaning

expn
(villains) of the same stripe; birds of a feather; badgers of the same hole

Example sentences

一子ちゃんは同じ穴のムジナか、同輩の親しみを込めた笑みを俺に向ける。

I guess Ichiko is a fellow rule-breaker, she's sending me a smile filled with affection for a comrade.
俺たちは同じ穴の狢さ。

We're birds of a feather.