头大 Traditional form: 頭大 Pinyin (reading): tóudà Definitions: to have a big head (fig.) to get a headache one's head is swimming Characters: 头 - head; chief, boss; first, top 大 - big, great, vast, high, deep Traditional characters: 頭 - head; chief, boss; first, top 大 - big, great, vast, high, deep