脱だっ兎とのごとくalso: だっとのごときだっとのごとくMeanings1expression, adverbat high speed; as fast as one can; with lightning speedLiterary set phrase meaning 'with the speed of a fleeing rabbit'; used to describe extremely swift movement or action.See also: 脱兎彼かれは脱だっ兎とのごとく走はしり去さった