濡(ぬ)れ衣(ぎぬ)を着(き)せる

ぬれぎぬをきせる
expression
to frame someone; to falsely accuse
communication
1. to frame someone; to falsely accuse; to pin the blame on
To make an innocent person appear guilty of something they did not do. Literally means "to put wet clothes on someone" — an idiom originating from the idea of being unjustly burdened.
彼(かれ)に濡(ぬ)れ衣(ぎぬ)を着(き)せた。
They framed him.
無実(むじつ)の人(ひと)に濡(ぬ)れ衣(ぎぬ)を着(き)せてはいけない。
You must not frame an innocent person.
同僚(どうりょう)のミスなのに、私(わたし)が濡(ぬ)れ衣(ぎぬ)を着(き)せられた。
Even though it was my colleague's mistake, I was falsely blamed.

濡(ぬ)れ衣(ぎぬ) literally means "wet clothes." The idiom comes from the unpleasant and burdensome feeling of wearing wet clothing — representing the weight of false accusations.

Common expressions

The passive form 着(き)せられる is very common, since speakers more often describe being a victim of false accusation than accusing others.