くちゃいConjugationMeanings1i-adjectivesmelly; stinkychildren's languagecolloquialChildish or colloquial version of 臭い (くさい). Used by young children or in casual, playful speech.See also: 臭い (くさい)うわ、くちゃい!何なにか腐くさってる?Eww, stinky! Is something rotten?くちゃいから、お風ふ呂ろに入はいろうね。You're stinky, so let's take a bath.