look up any word, like fap:
 
1.
A sign of excitement, used by hyperactive people and their friends. The correct spelling of woo. Must be applied in the appropriate manner otherwise people's heads get chopped off by the mad axe ladies of the south.
Grizzly, Jackaroo and Mr A were having a picnic. Suddenly Mr A turns around.
Mr A: My head just exploded.
Grizzly and Jackaroo: Wooh!
by Matt September 15, 2003
 
2.
Beyond excellent; Very good; Derivative of woot
Bury Your Dead is so wooh!
by a7xinfluence September 06, 2005