掛數 [挂数]

Jyutping gwaa3 sou3
Pinyin guà shù

Definitions (Wiktionary)
  1. verb, Min-Nan
    to buy or sell on credit
    (syn.) 賒賬, 赊账, 挂账, 掛賬
  2. verb, Zhangzhou-Hokkien
    to blame; to complain