hip hip hooray
Definition from Wiktionary, the free dictionary
Recorded as far back as 1803. The word hip was in use then as a meaningless syllable to get someone's attention. Hooray (or hurrah) goes back to 1686, and also had no specific meaning, used instead to get a person's attention.
- An exclamation of congratulations especially in response to a call for 'Three cheers for' the person.
- October 12, 2015. WordOrigins.org Dave Wilton.
an exclamation of congratulations