Hong Kong Code-mixing Dictionary

Definition: A code-mixing term used by overseas educated Hong Kongers to sound polite and confident when bringing forth a standpoint so that the other person is less likely to challenge them.

Usage: E.g. 我講既野係咪好有理據先? 如果你仲想challenge我，be my guest! (Don't you think I really have a rationale in what I'm saying? If you still want to challenge me, be my guest!)

Synonym: 請便、你隨意、當然可以，別客氣

Definition: A code-mixing term used by native Hong Kongers that has evolved to mean more like ‘if you wish to die or find trouble, feel free!’

Usage: E.g. 你覺得朝9晚3 袋10皮係好工嘅be my guest (If you think working 9 to 3am and getting 100k salary a month is a good job, be my guest!)

Synonym: 如果你想死或找麻煩既話，隨便你

Reference: https://lihkg.com/thread/1905219/page/15