or la-de-da, lah-di-dah
Origin of la-di-da
Examples from the Web for la-de-da
The la-de-da approach at each election cycle toward the personal health of the candidates continues to shock me.
I will, too, if he preaches any more of his la-de-da society rules to me.That Girl Montana|Marah Ellis Ryan
Then I would get a big ulster with 17 astrakhan fur, and take my cane and do the la-de-da down Piccadilly.The Works of Robert Louis Stevenson - Swanston Edition Vol. XIX (of 25)|Robert Louis Stevenson
The point is that when I was going in, this la-de-da clerk of his, Cecil Gillis, was coming out.Murder in the Gunroom|Henry Beam Piper