冤大头 Traditional form: 冤大頭 Pinyin (reading): yuāndàtóu Definitions: spendthrift and foolish sb with more money than sense Characters: 冤 - grievance, injustice, wrong 大 - big, great, vast, high, deep 头 - head; chief, boss; first, top Traditional characters: 冤 - grievance, injustice, wrong 大 - big, great, vast, high, deep 頭 - head; chief, boss; first, top