A colloquial phrase used to summarize or gloss over what was just said, meaning 'or something like that' or 'or words to that effect'.
彼が明日来るとかなんとか言ってたけど、確かではない。
He said something like he might come tomorrow, but it's not certain.
会議で予算を削るとかなんとか決められたらしい。
It seems they decided in the meeting to cut the budget or something like that.
店員が『セールは土日とかなんとかで…』と説明してくれた。
The clerk explained, 'The sale is on the weekend or something like that...'.
An informal way to indicate 'something or other' — used to be vague about details or point to an unspecified thing.
今日は飲み会があるとかなんとかで早く帰った。
They went home early saying they had some kind of drinking party today.
彼女は忙しいとかなんとかで会えないと言った。
She said she couldn't meet because she was busy or something like that.