Slang for police officers and/or a warning that police are approaching. Derived from the television show Hawaii 5-0. Also see pig, and piglet.
by Robert December 28, 2002
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1. A cop. This term is used when the cop is coming after you. Avoid cops at all costs, they are out to get you for something you did or did not do.

2. A grind done on a skateboard when one truck is on the rail, and the other is raised above.
5 0, 5 0, scatter!

Pack your shit, we're going to Canada. That 5 0 just busted our crack house.

Shit, did you see that 5 0 grind he did down that rail?
by rickky November 08, 2005
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Most commonly used to refer to Police Officers/detectives or anyone associated with law enforcement. Origins date back to an early 1970’s television series titled “Hawaii Five O”. Detectives on this show were assigned to a special unit (Five O) and were savvy, aggressive and always apprehended the suspect. Much like the character “Daisy Duke” from the Dukes of Hazard television series whose short shorts spawned a once popular clothing trend with women very effeminate men, the term 5 0 too has transcended television to urban slang.
1. Say man. The block is hot so we goin to post up at Man Man’s cause 5 0 ain’t lettin a mother fucker make no mony here.
2. 5 0 came and took my baby daddy cause his P.O say he had weed in his pee and he on paper.
by a.g.c. June 03, 2007
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"Police"

A term deriving from when Police cruisers had a 5.0 liter engine.
"Run nigga here comes the 5-0!"
by Brandon Fandel October 08, 2007
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