expression
the pot calling the kettle black
Idiomatic expression meaning someone criticizes another for a fault they themselves have. Literally 'the eye goop laughs at the nose snot'.
See also: 目くそ鼻くそを笑う
彼は私の遅刻を注意するけど、自分もよく遅れる。まさに目くそが鼻くそを笑うだ。
He scolds me for being late, but he's often late himself. It's exactly the pot calling the kettle black.
Same meaning; this is a variant without the subject marker が, often used as a set phrase.
A proverbial expression of uncertain origin, literally comparing eye discharge to nasal mucus, both considered minor and similar, to illustrate hypocrisy.