Used in the same way "Hooray!" but in a more sarcastic tone, used to (sarcastically) celebrate mediocre acheivments.
by Controlfreak October 26, 2014
Mike: I just climbed Mt. Everest in 5 hours with no climbing gear!
Donovan: well whoop-de-fucking-doo
Donovan: well whoop-de-fucking-doo
by Mr_Blanko February 06, 2005