Slang for police. Origin unclear, likely derived from the 1970's TV police drama "Hawaii 5-0" although it has been suggested to refer to the "5.0" emblems on Ford Mustang police cars used by many agencies in the late 1980's-1990's.
"Holy shit, 5-oh! 5-oh! Get those fighting cocks back in their cages!
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.
In 1982, Ford reintroduced a high-performance Mustang GT which opened the door for an entirely new era of the muscle car. Wringing a then-respectable 157 hp from its "5.0" (actually 4.94 L, 302 in³) Windsor V8.
The "5.0" Mustangs, cars that gave birth to an entire aftermarket performance industry, continue to remain extremely popular today.