曬馬檻 [晒马槛]

Jyutping saai3 maa5 laam2
Pinyin shài mǎ kǎn

Definitions (CC-CANTO)
  1. to visit a brothel / prostitute; to go to a hourly love hotel [colloquial]
Definitions (粵典–words.hk)
  1. 語句、俚語、黃賭毒
    落馬檻​召妓​，​開房
    to visit a call-girl centre or a brothel, to get a short-time hotel room.
  2. 參看
    晒馬檻