口爆 [－－]

Jyutping hau2 baau3
Pinyin kǒu bào

Definitions (CC-CEDICT)
  1. (slang) to ejaculate inside sb's mouth
Definitions (粵典–words.hk)
  1. 動詞、潮語、黃賭毒
    口內​射精
    oral cumshot
    • 約翰話想飛咗條女，因為佢唔肯玩囗爆。
      约翰话想飞咗条女，因为佢唔肯玩囗爆。
      joek3 hon6 waa6 soeng2 fei1 zo2 tiu4 neoi2, jan1 wai6 keoi5 m4 hang2 waan2 hau2 baau3
      John said he wanted to dump his girlfriend because she was not willing to take cumshot in the mouth
Definitions (Wiktionary)
  1. noun, vulgar
    oral cumshot