57
A heads up offered by a look out that an invidual not down with, adapted to acceptance of, or directly invovled with the groups illegal activity, such as the buying or selling of illegal drugs, is approaching. The invidual is a stranger and without right or reason to be there, even if the place is public, as it is gang territory.

5 0 call is offered without regard to whether the stranger is or is not a member of law enforcement; it is determined soley on trust i.e. whether that person is cool in the cultural sense, not the popular sense.
Example 1: A citizen walks through an area of illegal activity where they don't live or are not know.
The look out yells, "5 0 fool."
by Fred Flinkerstone July 10, 2008
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58
pronounced: "five-point-O"

The highest GPA(Grade-Point Average) possibly achievable, assuming you take an Honors class and aced every single test, got 106%s on assignments, et cetera. Known as an ‘A++’.
OMFG A 5.0!!!!! PERFECT!!” *does teh happy dance*
by Victor Van Styn September 03, 2005
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59
When a girl gently plays with a mans balls, even sucking on them, then at the spur of the moment, when a guy is errected, she pulls his dick, as if she wanted to rip it off and chew on it ferrociously. When saying 50, one must make their voice very deep and masculine compared to the rest of the sentence.
Guess what pat and mauyvaline did this weekend? 50.
When Mary and Pat where getting busy, she 50'd him, and that is why it is hard for him to walk today.
by 25+25= 50 May 25, 2007
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60
It's usage first became popular in a television show called Hawaii 5-0.......they were the bureau that investigated homicides and when you called the main telephone number for Honolulu police you would ask for extension 50.....5-0.
Hi, I'm detective Williams can you connect me to extension 5-0?....I am working on a homicide and need to speak to a detective there.
by we_are_anecdotal March 13, 2016
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61
Being half of 100, not loyal or trusting
Drew: aye I heard yo girl fucked another dude.

Daniel: yeah son, she so 50 for that.
by DmvSlang May 12, 2014
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62
Pigs drive 5.0 liter crown victorias thats where the word 50 came from
by From the 203 September 02, 2003
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63
during the late 80's and early 90's, cops drove the 5.0 crown victoria. Thats where it got its name from
by Lehem Woldezghi October 22, 2003
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