[In Kabuki] When an actor flubs their lines. At Kabukiza, seats where mistakes are least noticeable (rows 7-8) are called 'tochiri-seki' — prized by connoisseurs. [Today] To mess up; to blunder. 'I flubbed the presentation.' *Note: 語源は「栃の実」説のほか「栃麺棒」説など諸説あり