Top Definition
The American equivalent of "ululation" (The middle eastern / African practice of emitting a long, wavering, high-pitched vocal sound resembling a howl with a trilling quality, in celebration). When celebrating, Americans typically yell "Wooo!" for reasons unknown.
The Skynerd fans erupted in simultaneous woolulation! "WOOOOO!"
by Poppydog January 07, 2012
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