なんてこったFreq.FrequencyTop 20,000Meanings1interjectionwhat the hell; oh no!; damn!usually written using kana aloneCasual, emphatic exclamation of shock, dismay, or frustration. A contraction of なんてことだ. Often used by male speakers.なんてこった！財さい布ふを忘わすれた。Oh no! I forgot my wallet.なんてこった、また雨あめかよ。Damn, rain again?
