Used as an exclamation of
pleasure, approval, elation, or victory.
n.
1. A shout of "hurrah."
2. Excitement; fanfare.
v. hur·rahed also hoo·rayed, hur·rah·ing also hoo·ray·ing, hur·rahs also hoo·rays
v.
tr.
To applaud, cheer, or approve (someone or
something) by shouting "hurrah."
v.intr.
To shout "hurrah."
With the help of http://www.thefreedictionary.com