expression, noun
something-something; yada yada; so-and-so
Abbreviation of どうたらこうたら. Used to vaguely refer to or mimic rambling, platitudes, or unspecified content, often dismissively.
See also: どうたらこうたら
彼の話はいつも「どうたらこうたら」で、結局何が言いたいのかわからない。
His talk is always full of 'something-something' and in the end I don't know what he's trying to say.
説明書にどうたら書いてあったけど、よく読まなかった。
It said something or other in the manual, but I didn't read it carefully.