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A term used sarcastically when you are not satisfied with what the other person did or when you did not expect something to go bad. Opposite of "Woo hoo!"

Also known as "Woo fucking hoo."
Great. My younger brother Dave just revealed my age to my 17 year old girlfriend and now she sees me as 3 years younger than her. Woo fricken hoo.
by Light White Dragon August 25, 2011
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