Hooray

[Sarah]

Expression used when excitement ensues.

[Sommer]

A hooray (also Hooray Benry) is in British English, an upper-class male, probably university-age or a bit older, who thinks its amusing to be loud, and rude to social inferiors,and the locals, especially waitresses. (In Trainspotting, the book not the film, a waitress hets her revenge by putting her tampon in a Hoorays soup before she serves it to him.) They wear striped shirts and try to talk a bit deeper than normal people.

[Tina]

an expression used when unusual extreme happiness occurs inside the body

[Dave Paprocki]

Strine (Australian) for Goodbye. Appears to be closely related to Hoo Roo, another Aussie/Kiwi (?) version of Goodbye.

[Sonia]

A word you say when you totally stay numb under when it happens.

[Rihanna]

the phonetic pronunciation of [whore].
Get it -- who re

[Julene]

Used to express joy or approval.