オチがつく

おちがつく
expression
to come to a punchline; to wind up predictably; to find a fitting end
1. to reach a punchline; to wind up with a fitting (often funny or ironic) ending
Used of stories, situations, or chains of events that resolve in a way that feels like the punchline of a joke — often the predictable or ironic ending the listener could see coming.
やっとオチがついた。
Finally there's a punchline.
(かれ)(はなし)はいつも(おな)じオチがつく。
His stories always end with the same punchline.
結局(けっきょく)財布(さいふ)(いえ)(わす)れていたというオチがついた。
It turned out, predictably, that I had left my wallet at home.

Idiom from rakugo and manzai vocabulary. オチ is the punchline of a comic story; つく means 'gets attached'. By extension, used of real-life situations whose ending feels comically inevitable.

COMMON USES:

  • After telling a story: 〜というオチがついた ('it ended with [the punchline that] ~')
  • Self-deprecation: 自分(じぶん)のオチが予想(よそう)できる (I can see my own punchline coming)
  • TV commentary: オチがつかない (the story doesn't wrap up properly)

RELATED EXPRESSIONS:

  • オチ: the punchline itself — the noun on its own is widely used
  • オチをつける: to add a punchline; to give a story a proper ending — active/transitive version
  • ()ち: the original kanji spelling; modern usage usually writes it as katakana オチ in this idiomatic sense