dirty money; ill-gotten gains
Refers to money obtained through illegal, unethical, or immoral means. Often used in contexts of crime, corruption, or exploitation.
See also: カネ
He built a mansion with dirty money.
I can't accept dirty money.
Compound of 汚れた (dirty, soiled) and 金 (money). The expression is a straightforward metaphor for money tainted by immoral or illegal actions.