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1.
That's really not as cool as you think it is.
Person 1: Check out my new Urkel sheets!
Person 2: Well, la-di-dah!
by Adrienne May 23, 2003

Words related to la-di-dah

highborn hoyty-toyty posh snooty stuck-up upper-crust
 
2.
the sound a carefree creature makes on a relaxing day when the wind blows softly and the dew drops on the flowers twinkle brightly

OR

A smile with a glob of red goo that is most likely blood
The bunny went ladidah right before it hopped over a cliff.

Kevin's thing is a ladidah.
by Kasey February 27, 2005