Top Definition
The number for the emergency services i.e the police, A&E, fire service.
Often pranked from public telephones by children and adults alike for a quick laugh at someone elses expence.
Also often used for the wrong reasons like 999 was dialed because someones curry was too hot.
-Hey Bill whats the number for 999?!?
-I don't know Bob what is the number for 999?!?
by LazyBoy December 02, 2004
This mean snitching.
Also can be said as "triple nine'in"
ya people keep 999'in and shit.
by fantalover March 29, 2008
Some think that 999 is the true number of the beast because john of the bible dreamed the numbers 666 according to the book of revelations but numbers are dreamt upside down.
awake : 666 = 666

asleep: 666 = 999
by Brick2010 April 22, 2008
Almost one hundred percent positive; however still leaving slight room for error.
Guy: You were pretty drunk last night. Did you eat the last frozen pizza?

Roommate: No.

Guy: You sure?

Roommate: (Shrugs) 99.9 anyway
by Ventghal February 27, 2008
A type of weapon used in the book "The Drowned Cities" by Paolo Bacigalupi. Based on it's description it seems like a type of rocket launcher or a highly explosive bullet.
The LT stood to one side, his hollow face smiling, "You did well out there, soldier. Real bravery. Even Colonel Stern has heard about how you turned the 999 back on the cross-kissers."
by urbandictionarydude December 22, 2012
state of mind be an angel in heaven
heart body and soul,in daze,in love
999 I can denier, can't lie
by unlock January 02, 2011
(pronoun) a band based in England, of early punk roots in the seventies.
He went to the 999 and Chelsea show last night.
by Darby Crash October 27, 2003
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