あちゃあMeaningsInterjection1. oops; uh oh; dratsOther readingsあっちゃあちゃーあっちゃーあちゃExamples1「あっ、後こう続ぞくのパーティが来きたみたいだな」「あちゃー。休やすんでる間あいだに追おいつかれちゃったわね」"Ah, the trailing group has arrived." "Oh no. They caught up with us while we were resting."