孖吉 [－－]

Jyutping maa1 gat1
Pinyin mā jí

Definitions (CC-CANTO)
  1. the 14K triad gang [colloquial]
Definitions (粵典–words.hk)
  1. 名詞
    黑社會​社團​14K​；​「​吉​」​係​黑​社會暗​語​嘅​「​七​」​，​七乘​二​就​係​十四
    the triad 14K, literally "double seven"