la-di-da

/lah"dee dah"/, Informal.

interj.

1. (used as an expression of derision directed at affected gentility or pretentious refinement.)

adj.

2. affected; pretentious; foppish: a la-di-da manner.

n.

3. an affected or pretentious person.

4. behavior or speech characterized by affected or exaggerated gentility.

Also, la-de-da, lah-di-dah.

[1880-85; derisive imitation of affected, pseudo-elevated speech]

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