阿燦 [－灿]

Jyutping aa3 caan3
Pinyin ā càn

Definitions (粵典–words.hk)
  1. 名詞
    指大陸​嚟​香港​，​對​現代​社會​冇​認​識​嘅​新​移民​；​出自​1970​年代​嘅​電​視​劇​角色​名​，​帶​貶義​（​量​詞​：​個​）
    new immigrants to Hong Kong from Mainland China, stereotyped as naive rustic in a Hong Kong television series in the 1970s (derogatory)
Definitions (Wiktionary)
  1. noun, Hong-Kong, derogatory
    (uncouth) mainland China immigrant

阿燦 [啊灿]

Jyutping aa3 caan3
Pinyin a càn

Definitions (CC-CANTO)
  1. Mainland Chinese (slang)