La ta de da, and a toodly doo

[Klaus.Lyu]

What does this sentence "La ta de da, and a toodly doo!"mean, Are these sounds similar to something?

 

[Keith Bradford]

Can you tell us where you read these phrases?

 

[Klaus.Lyu]

Can you tell us where you read these phrases?

I read this from the picture book 《My mother is a Baker》, which is the "Sing Along & Read Along with Dr Jean" Series.

 

[ewie]

They're just 'singing noises' Others include: fa la la, tra la la, toodly oo, shooby dooby doo ...