wash one's brain out with soap

colloquial humorous

(colloquial, humorous) To remove or erase unwanted images from one's mind.

Japanese Meaning

冗談めかして、不要な心象（記憶やイメージ）を消し、忘れさせようとすること。 / 比喩的に、頭の中の嫌な出来事や記憶を洗い流す、すなわち心のリセットを試みる行為。

Honestly, after watching that scene, one might want to wash one's brain out with soap.

正直、あのシーンを見た後では、頭の中の嫌な映像を石鹸で洗い流したくなるかもしれない。

Sense（1）

(colloquial, humorous) To remove or erase unwanted images from one's mind.

washes one's brain out with soap

（ present singular third-person ）

washing one's brain out with soap

（ participle present ）

washed one's brain out with soap

（ participle past ）

washed one's brain out with soap

（ past ）