refers to police / law enforcement. From the TV show "Hawaii 5-0" about the 50th State's Police Department.
by CCC_Trinity June 03, 2005
ACTUALLY....five o comes from the 80's US patrol cars mustang 5.0 litre engine. It called to alert to an oncoming cop car.
by gchild July 12, 2005
One of the divisions in new york is the 50th division so when people wanted to say cops are around they would call them Five O's
by Soldier B March 03, 2005
by Alex March 05, 2004
n. Short for police officers. Originated from the TV show Hawaii 5-0 which was a copp show in the 1970's. Hawaii is the 50th state, hence the nickname "5-0".
by thug4life September 29, 2002
by GuidoPosse69 February 08, 2005
The word or expression is yelled when a negro spots a policeman/vehicle which sends neighbouring negros scattering
by Sudyer February 26, 2006