口活 [－－]

Jyutping hau2 wut6
Pinyin kǒu huó

Definitions (CC-CEDICT)
  1. oral sex
Definitions (Wiktionary)
  1. noun
    oral sex; fellatio; blowjob
    (syn.) 口淫, 口交, 吹功, 吹簫, 吹箫