かかってこいMeanings1interjectionbring it on!; come at me!usually written using kana aloneA confrontational interjection used to challenge someone to attack or try their best against you. Often used in fights, competitions, or playful dares.「かかってこい!」と彼かれは叫さけんだ。"Bring it on!" he shouted.ゲームで友とも達だちに「かかってこい」と言いった。I told my friend "come at me" in the game.