Definition of tra la in English:

tra la

exclamation

ironic
  • Expressing joy or gaiety:

    ‘off to his life, kids, and wife, tra la’
    • ‘It's the little things, the little things, the little things, tra la.’
    • ‘No more wondering whether to come out, to whom, how to phrase it, what their reaction would be, tra la la all that is over and done with.’
    • ‘And, tra la la la la, I'm having lunch with her and dinner with him.’
    • ‘I like all the costumes and decorations and tra la la fun… but… trick or treating.’
    • ‘Not your ‘arms in the air, getting drunk tra la la’ stuff.’

Origin

Early 19th century: imitative of a fanfare or of the refrain of a song.

Pronunciation:

tra la

/trɑːˈlɑː/