an expression used by fellow criminals to mock fellow criminals who have gone 'straight' to earn a living through honest means [colloquial]
Definitions (粵典–words.hk)
動詞、俚語
經合法途徑賺錢過世，通常係罪犯笑人金盆洗手時用 to earn a living through honest means; used negatively, for example, by criminals of a fellow criminal who abandons their criminal life and goes clean