头儿脑儿 Traditional form: 頭兒腦兒 Pinyin (reading): tóurnǎor Definitions: leading figure; bigwig Characters: 头 - head; chief, boss; first, top 儿 - son, child 脑 - brain 儿 - son, child Traditional characters: 頭 - head; chief, boss; first, top 兒 - son, child 腦 - brain 兒 - son, child