哇塞 Traditional form: 哇塞 Pinyin (reading): wāsāi Definitions: (slang) wow! also pr. (wāsēi) Characters: 哇 - to vomit; an infant's cry 塞 - to stop up, to seal, to cork, to block; pass, frontier; fortress Traditional characters: 哇 - to vomit; an infant's cry 塞 - to stop up, to seal, to cork, to block; pass, frontier; fortress