CCG (as it's known) is made by small pieces of metal (usually silver and/or gold) that are held in the flame of the torch until vaporized (often called 'fuming'). The glass is rotated in this vapor stream until a fine layer of the vaporized metal is visible on the surface of the glass.
After this, clear glass is applied (often in 'dots' and 'lines') to 'encase' the vaporized metal in between layers of glass. There are many techniques and methods of applying the fumes and clear glass making a myriad of different colors, and endless types of patterns that one can come up with. The colors produced with fumed metals are best when they are translucent, vibrant, and reflective. As the pipe darkens with use, the colors (many barely visible) become darker and much more conspicuous, thus causing the appearance of much richer 'color change' (the glass itself doesn't actually change colors though).
Color changing glass is used in a variety of products such as glass vases, oil lamp bases, perfume bottles, containers, smoking accessories, and so forth.
by subliminabable February 6, 2004
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To have sex in a car, particularly at night in a secluded, rural, area.
I heard that Bobby and Jeannie always drive out to the country at night and watch the colors change!
by Seth Feldman November 15, 2006
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The most worthless superhero. He can change the colors of object. Wonder who would win in a fight: Him or superman
Lady: HELP! MY BABY IS STUCK IN THAT BURNING BUILDING!
Color kid: Don't worry I'll save your baby. I am the
Color change kid
Lady: What? Are you a superhero?
Color kid: I can change the color of objects
Lady: Wow you suck
Color kid: I know
by Annemermaid1995 August 24, 2009
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Special kind of of glass used in making various smoking utensils. Like the name implies, it changes color as you smoke out of the utensil.
Check out my cool color changing glass spoon!
by JuanDeez November 8, 2003
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A communist racist neo-nazi divisive group organized from the remnants of ACORN. Better described by the late Andrew Breitbart as "poisonous, venomous forces within the American experience". If someone doesn't agree with their agenda, they will use their favorite weapon, petitions to snuff out that person's first amendment rights(see Glenn Beck).

It won't be surprising if they start petitioning urbandictionary.com to remove this entry.
Sam: "Hey, did you hear about the petition from Colors of Change, urging the FOX network to cancel COPS, because "it degrades minorities" and somehow "contributes to minority stereotypes"?"
Tom: "What the hell? The creator of COPS has often said that he downplays minority crimes in the series."
Sam: "I bet their next move is to petition God to cancel 'reality' because it's racist."

CoC Activist 1: "It seems like FOX will end that show COPS after it's 25th season."
CoC Activist 2: "I hate that show. It shows cops as the good guys."
CoC Activist 1: "Hey, maybe we could start a petition to get COPS cancelled, and then, when it does gets cancelled, claim it was because our petitioning that got it cancelled?"

CoC Activist 1: "It seems like FOX will end that show COPS after it's 25th season."
CoC Activist 2: "I hate that show. It shows cops as the good guys."
CoC Activist 1: "Hey, maybe we could start a petition to get COPS cancelled, then, when it does gets cancelled, claim it was because our petitioning that got it cancelled?"
CoC Activist 2: "Brilliant idea. Now let's celebrate by having some hot gay sex with a couple of animals"
by Acrimony12 May 21, 2013
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