脑瓜子 Traditional form: 腦瓜子 Pinyin (reading): nǎoguāzi Definitions: see 腦瓜/脑瓜 (nǎoguā) Characters: 脑 - brain 瓜 - melon, gourd, squash, cucumber 子 - son, child; seed, egg; fruit; small thing Traditional characters: 腦 - brain 瓜 - melon, gourd, squash, cucumber 子 - son, child; seed, egg; fruit; small thing