1) an expression of contempt, disinterest, or boredom, often used in the phrase "Well la dee da" as a sarcastic "now isn't that amazing" or "good for you"
2) a phrase for singing, humming, mumbling etc. to show joyful innocence
1) Bob: You know what? I learned that the sky is blue today!
Bill: Well la dee da.
2) The little girl skipped along singing "La dee da, what a wonderful day!", until she was unfortunately run over by a garbage truck.
La Da Dee is a song created and sang by a celebrities name i cant say, it was featured in the movie Cloudy with a Chance of Meatballs. It is also said as La Dee Da. La Da Dee/La Dee Da defines when everything is all happy and sweet. It makes you want to say la dee da because of how nice you feel. That's why it's called that. La Da Dee is being defined it means when you are happy and frolicking about OK I WRITTEN IT DOWN
tHIS IS BEING DEFINED
"Oh my god.. the ending for Fionna and Cake was so rushed... where was the angst?!"
"I know right?? Everything was all *la dee da* "la da dee* in the end and it just... didn't feel right you know bro? How can it end so happily ever after??"
"I'm sorry that ur mum died."
She was expected at the church bizzare to help set up tabels, but instead,she did the "la dee dah" ; she rearrangend the knick knacks on her dresser, cleaned the mirror in the bathroom, checked e-mail, and moved a table lamp from one side of the table to another....