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

Meanings

Expression, Noun
(villains) of the same stripe; birds of a feather; badgers of the same holeIdiom

Example sentences

俺おれたちは同おなじ穴あなの狢むじなさ。

We're birds of a feather.
一子いっしちゃんは同おなじ穴あなのムジナか、同輩どうはいの親したしみを込こめた笑えみを俺おれに向むける。

I guess Ichiko is a fellow rule-breaker, she's sending me a smile filled with affection for a comrade.