豉油樽蓋 [－－－盖]

Jyutping si6 jau4 zeon1 goi3
Pinyin chǐ yóu zūn gài

Definitions (粵典–words.hk)
  1. 語句
    歇後語​；​後​半句​係​「​又​鹹​又​濕​」​，​指人​鹹​濕
    a sandwich pun which implies "salacious; lecherous; perverted"; literally: soy sauce bottle lid