けつ 尻かっちん LinksSentence search for 尻かっちんSentence search for けつかっちんSentence search for 尻カッチンSentence search for けつカッチンSentence search for ケツカッチンKanji details for 尻Edit in JMdict Noun1. deadline (esp. in the entertainment industry); fixed ending timeColloquial, Usually written using kana aloneOther forms尻カッチン 【けつカッチン】、ケツカッチン Discussions Log in to talk about this word.