推牆 [－墙]

Jyutping teoi1 coeng4
Pinyin tuī qiáng

Definitions (CC-CANTO)
  1. literally: to push a wall; to have sex up against a wall [colloquial]
Definitions (粵典–words.hk)
  1. 動詞、俚語、粗俗
    做愛時​，​其中​一方​拍​著​埲​牆​度
    to have sex up against the wall