屁墩儿 Traditional form: 屁墩兒 Pinyin (reading): pìdūnr Definitions: (dialect) a fall on the buttocks Characters: 屁 - to break wind, to fart; the buttocks 墩 - stone block; heap, mound; pier 儿 - son, child Traditional characters: 屁 - to break wind, to fart; the buttocks 墩 - stone block; heap, mound; pier 兒 - son, child