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refers to police / law enforcement. From the TV show "Hawaii 5-0" about the 50th State's Police Department.
five o by CCC_Trinity June 9, 2005
Five O - n. its very simple this word = THE POLICE!
The Five O likes to beat on minorities.
Five O by Kale April 20, 2006
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.
"o shit son, its the five o"
five o by gchild July 30, 2005
n. When someone says five o they are referring to police. This was derived from the engine of the ford cop cars. The cars ran on 5 liter engines and had a 5.0 symbol on the side. In fact, the same symbol is used on the sides of the 5 liter ford mustangs.
Oh shit, five o. Dipset; we'll meet by the car in 10.
Five o by LGND May 14, 2014
Five O, this word comes from new yorks 50th division
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
five o by Soldier B March 2, 2005
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".
Put that blunt out, five-o, five-o!
five-o by thug4life September 29, 2002