巨嬰 [－婴]

Jyutping geoi6 jing1
Pinyin jù yīng

Definitions (Wiktionary)
  1. noun, literally
    huge infant
  2. noun, derogatory, neologism, slang
    big baby

巨嬰 [－婴]

Jyutping
Pinyin jù yīng

Definitions (CC-CEDICT)
  1. (neologism c. 2017) adult who behaves in a childish manner (e.g. throwing a tantrum)