共赴巫山 [－－－－]

Jyutping gung6 fu6 mou4 saan1
Pinyin gòng fù wū shān

Definitions (粵典–words.hk)
  1. 語句
    同​某人​性交​；​較​為​文雅​嘅​講​法
    to have sex with somebody; considered a less direct or explicit description