(slang with a swear word) an expression to say that something is useless; futile; pointless; meaningless
Definitions (粵典–words.hk)
語句
指一個行為完全冇用(用喺動詞短語後面,要用「嚟把屁」嘅形式) completely useless, completely pointless (the form 嚟把屁 lai4 baa2 pei3 is used when placed after a verb phrase)
得嗰兩日假,旅行嚟把屁咩?
得𠮶两日假,旅行嚟把屁咩?
dak1 go2 loeng5 jat6 gaa3, leoi5 hang4 lai4 baa2 pei3 me1? I only have two day-offs. What's the point of going on a holiday?