鐵子 [铁－]

Jyutping tit3 zi2
Pinyin tiě zi

Definitions (Wiktionary)
  1. noun, Mandarin, Northeastern, dated, endearing
    sweetheart
  2. noun, Mandarin, Northeastern, endearing
    good friend; buddy

鐵子 [铁－]

Jyutping
Pinyin tiě zi

Definitions (CC-CEDICT)
  1. (slang) very close friend
  2. bro