Woohoo
/ˈwuːˌhuː/noun
An informal interjection expressing excitement, triumph, or delight.
Did you know?Woo-hoo is generally treated as a reduplicated or rhythmically intensified cheer, with its force coming from sound and emotion rather than a traceable ancient root.
Etymological Timeline
19th Century
English
woo-hoo
“A lively exclamation or cry of excitement; early spellings used a hyphen.”
Late 19th–Early 20th Century
English
woo-hoo!
“A shouted cheer modeled on exuberant vocal cries and calls.”
20th Century
American English
woo-hoo
“An informal expression of enthusiasm, celebration, or approval.”
Late 20th Century
English
woohoo
“The closed-up spelling becomes increasingly common in informal writing and popular culture.”
Modern English
English
woohoo
“A conventional celebratory interjection used in speech, texting, advertising, and social media.”