noun
something-something; yada yada; so-and-so
Colloquial placeholder used when the speaker cannot or does not want to specify details, similar to 'blah blah blah' or 'whatchamacallit'. Often used in the longer form うんたらかんたら.
See also: うんたらかんたら
彼はうんたらかんたら言い訳ばかりしている。
He keeps making excuses like 'something-something' and 'yada yada'.