A. Jones is Samuel Jones, a lawyer sometimes called Father of the New York Bar. He owned the land on which Great Jones Street now runs and bequeathed the property to the city with the caveat that any street that ran through the land be named for him.

In 1789 a street was opened there, but New York already had a Jones Street in Greenwich Village. So the new street was named Great Jones Street because it was wider than the norm.

In his desire to be remembered, Jones may have linked himself with a different aspect of the city's culture. The slang term "jones," meaning an addiction to drugs, is said to have originated among addicts who lived in Great Jones Alley, off Great Jones Street, between Broadway and Lafayette Street.

(extract from the "New York Times" site, article by Ed Boland, Jr)

http://www.yaelf.com/slang.shtml

1. jones
a drug addiction(does not come from a name, see also skag jones)
A jones can take a lot of money out of saving. This is another reason no to do drugs.
Source: Light Joker, Dec 9, 2004

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2. Jones
Can be used as a verb (Jonesing) or a noun (a jones). Describes a state in which one experiences strong desire or attraction, often of a sexual nature. Equiv. "to fancy" "crushing on" "to want"
She's been jonesin him for months.
He's got a major jones for her.
Source: JediAndi, Apr 4, 2003

http://www.urbandictionary.com/define.php?term=jones&defid=9...

This is one of the meanings. Keeping up with their financial level, usually.

From the Berkeley Slang Dict

jonesing v 1. to vomit. 2. to be on crank. Submitted by Michael David, Los Angeles, CA, USA, 12-14-1996. 3. to feel withdrawal symptoms, especially from a drug. ("He was jonesing for a smoke.") Submitted by Doug, Ohio, USA, 04-06-1997. 4. to crave something, not necessarily a drug. ("Man, I'm jonesing for a kiss!") vomit under the influence of drugs withdrawal crave

From:http://www.ocf.berkeley.edu/~wrader/slang/j.html

(Slang) extreme strong wish; extreme passion as "having the jones for someone"

jones
noun. Drugspeak for an addict's habit.

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Jones

a craving for something; it is said to come from Jones Alley in Manhattan where junkies used to live. E.g.: baseball Jones: needing baseball
love Jones: a dire craving for someone
jonesing for some MJ: wanting some marijuana:\"I got a love Jones for your body and skin tone\" -- Method Man & Mary J. Blidge (You are all I need [1994])