tra la
/trɑːˈlɑː
/exclamation chiefly 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.
- Not your ‘arms in the air, getting drunk tra la la’ stuff.
- And, tra la la la la, I'm having lunch with her and dinner with him.
Origin
Early 19th century: imitative of a fanfare or of the refrain of a song.