hooroo

Etymology
From 1700s British or, which was also used in Australia to mean.

Interjection

 * 1) Hooray.
 * 2) * 1901—02, Herminie Templeton Kavanagh, Darby O'Gill and the Good People, McClure's Magazine, reprinted 1903, Reilly & Britton, |%22ooroo%22+-intitle:%22hooroo%22+-inauthor:%22%22&dq=%22hooroo%22|%22ooroo%22+-intitle:%22hooroo%22+-inauthor:%22%22&hl=en&sa=X&ei=q0-FT_ezJ8LGmQXxovXDBw&redir_esc=y page 80,
 * Every brown cap was swung in the air. “Hooray! Hooray! Hooroo!” rang the cheers.
 * 1) * 1981, Chris Wallace-Crabbe, Splinters, Rigby, |%22ooroo%22+-intitle:%22hooroo%22+-inauthor:%22%22&dq=%22hooroo%22|%22ooroo%22+-intitle:%22hooroo%22+-inauthor:%22%22&hl=en&sa=X&ei=N06FT_SnD-yKmQWcwsHGBw&redir_esc=y page 182,
 * ‘Hooroo! Hooroo! Hooroo!’ she shouted, tossing handfuls of instant confetti over their happy heads.
 * 1) * 1998, Theatre Record, Volume 18, Issues 18-26, |%22ooroo%22+-intitle:%22hooroo%22+-inauthor:%22%22&dq=%22hooroo%22|%22ooroo%22+-intitle:%22hooroo%22+-inauthor:%22%22&hl=en&sa=X&ei=zUaFT79369OYBdzm6bQH&redir_esc=y page 1510,
 * The audience is made to chorus “Hooray, hooray, we the common people say hooray“ and “Hooroo, hooroo, Plaid Cymru, hooroo” in celebration of the royal wedding, and is regaled with parish-panto Pooterisms galore.
 * 1)  Goodbye.
 * 2) * 2009, Peter Yeldham, A Distant Shore, Penguin Group, |%22ooroo%22+-intitle:%22hooroo%22+-inauthor:%22%22&hl=en&sa=X&ei=hmqFT8G8F8qtiQfL77XiBw&redir_esc=y#v=onepage&q=%22hooroo%22|%22ooroo%22%20-intitle%3A%22hooroo%22%20-inauthor%3A%22%22&f=false unnumbered page,
 * ‘Hooroo.’ It had always been her inevitable parting word.
 * ‘Hooroo, Mrs Wheatley. Don′t forget next week.’
 * 1) * 2009, Peter Yeldham, A Distant Shore, Penguin Group, |%22ooroo%22+-intitle:%22hooroo%22+-inauthor:%22%22&hl=en&sa=X&ei=hmqFT8G8F8qtiQfL77XiBw&redir_esc=y#v=onepage&q=%22hooroo%22|%22ooroo%22%20-intitle%3A%22hooroo%22%20-inauthor%3A%22%22&f=false unnumbered page,
 * ‘Hooroo.’ It had always been her inevitable parting word.
 * ‘Hooroo, Mrs Wheatley. Don′t forget next week.’

Verb

 * 1) To give a cheer of "hooroo".