吹牛 Traditional form: 吹牛 Pinyin (reading): chuīniú Definitions: to talk big to shoot off one's mouth to chat (dialect) Characters: 吹 - to blow, to puff; to brag, to boast 牛 - ox, cow, bull Traditional characters: 吹 - to blow, to puff; to brag, to boast 牛 - ox, cow, bull