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27.
'blues' were originally known to intravenous drug users as azure-colored instant-release 10 mg oxymorphone, manufactured by ENDO. These were rightly considered the holy grail of pharmaceutical opiates before being discontinued due to problems with black market diversion and robberies. Many users ranked them more euphoric than heroin. They are cited in many works of fiction, notably Drugstore Cowboy.
It's so beautiful how these blues commingle with blood in the syringe.
by natenatenatenate December 13, 2008
 
15.
(adj) London slang, extreme compliment, meaning enchanting or bewitching, description of a girl (usually blonde), whose beauty is so iridescent it suffuses all around her with a feeling of love and peace; girl with inner beauty radiated to those around her,
"Wow, that girl is soooo blue!"
by Petruchio April 28, 2008
 
16.
the other flavor of slurpee besides cherry of course
X3N0-i'm going to go get a slurpee...want one?

Asylum-yea get me a blue
by Asylum March 01, 2005
 
17.
Street name for the drug Roxicontin/Roxycodone used because they are small blue pills usually costing anywhere from $10-15.
Hey man i got a friend who wants some blues you got 30 for $300?
by LadyJay January 05, 2010
 
18.
Street name for the drug Roxicontin/Roxycodone used because they are small blue pills usually costing anywhere from $10-15.
Hey man i got a friend who wants some blues you got 30 for $300?
by LadyJay January 05, 2010
 
19.
1. A colour.
2. The feeling of being down or miserable
3. In some regions, describes one's sexual preference - in this case, that one prefers guys.
1. 'The sky is blue'
2. 'You alright? You look a bit blue.'
3. 'So, are you pink, purple or blue?
by EmptyMask October 26, 2006
 
20.
In Australian slang, 'blue':

1. Is a term used to address someone with red hair; or
2. Refers to a physical fight.
1. "How's it goin' blue?"

2. I had a blue with Gazza but he won after kicking me in the balls.
by Ted Tyro September 16, 2009
 
21.
Blue is one of the three primary colours and is the colour of the clear sky and the deep sea on Earth. Blue is located between violet and green on the spectrum
Person 1: What's your favourite color?
Person 2: Blue
Person 1: Mine too!
by sensfan March 10, 2013