also la-de-da or lah-de-dah or lah-dee-dah or lah-di-dah adjective Etymology: perhaps alteration of lardy-dardy foppish Date: 1889 affectedly refined in manners or tastes ; pretentious , elegant
LA-DI-DA
Meaning of LA-DI-DA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012