or woo hooor whoo-hoo
- (used to express excitement, delight, etc.): Woo-hoo! It's Friday!
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for woo-hoo
And she had no idea that the way she acted on television—occasionally shouting out her signature rallying cry “Woo-hoo!”Real Housewives, Real Problems
November 5, 2009