こっちゃ Meanings Expression (as for (that)) thing; (given (that)) thing; matter; fact (from ことでは) (it is a ...) thing; matter; fact (from ことじゃ, equiv. to ことだ) Words containing こっちゃ 言わんこっちゃない (いわんこっちゃない) I told you so えらいこっちゃ what are we going to do? 知ったこっちゃない (しったこっちゃない) I don't give a damn Jinuma: Japanese Dictionary · Word lists