とっとと at once Meanings adverb, colloquial, oft. with an imperative at once; right away; promptly; quickly; right now; this instant In sentences Furigana とっとと寝ねろ！ Hurry up and go to bed! #13894302 とっとと出でてけ！ Get out of here! #11009419 とっとと寝ねなさい。 Hurry up and go to bed. #13894301