As long as I know, meteor are tiny bits of gravel or dust that have evaporated off the surface of comets during their long voyages around the Sun. They are called as meteoroids while they are out in space. When they enter our atmosphere and heat up tremendously because of tremendous pressure that generated by their travel through our air and glowing. The glow is called as a meteor. When it impacts the ground, its called as a meteorite.
Shortly, meteors start off in space and then fall to the Earth. They looks like fast flash in our view and burn during their way to the ground, sometime they leave a long train of glowing ash behind them. They start off bright and fade away fast.
Journalist make this “scientific term” became amusing. I know that they use the term to refer a quick, brilliant rise of a politician figure. However, the real meaning is so amusing. It is more like the term refer to a sudden, eye-catching appearance in the political arena and quickly self-burned out of the ranks. That kind of politician may left a trail behind him, and even made quite an impact in the end! And in the real term, of course it is not refer to Putin, it is more precise refer to Bush, especially if we consider Bush legacy toward United States 😛