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Verb. to pluto someone or something is to downgrade, demote or remove altogether from a prestigious group or list, Like what was done to the planet of the same name.
by Yoova August 24, 2006
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2
No longer a planet. It was discovered in the 1930s and in 2006 they finally decide to change everything we learned growing up...im so confused now...
wtf! everything i learned went out the window, pluto isn't a planet anymore.
by Dr.Mario August 24, 2006
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a big ball of methane and nitrogen that was big ballin' as a planet for about 80 years, until the IAU (International Astronomical Union) decided to get all technical and make that little bitch a "dwarf planet." At this point, it's a pretty safe bet that Pluto won't be getting laid anytime soon.
Pluto used to get invited to P Diddy parties back when he was part of the big 9, but now he can't even kick it with Polly Shore. What a a tool!
by MC Docky Dock August 24, 2006
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4
a poor little rock thingy in space that was tricked into thinking it was a planet, when... wham! some mean scientists told it the truth: it was a "dwarf planet" (which is some sick disorder that tiny planets are labeled with). i feel bad for the little guy.
"It's okay, Pluto. I'm not a planet either."- Snorg Tees
by Spyder Gurl August 23, 2008
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5
Verb: To be demoted for no good reason. Origin from the former planet Pluto.

The corporal got in trouble with the sargent, therefore, he was plutoed back to private.

by Buddy Man March 16, 2007
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6
Used to be the ninth planet in our solar system. Now it is categorized as a dwarf planet.
by dillonleahy August 24, 2006
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7
Verb. to be hijacked by a small minority to enact special interest commandments. Thus the planet itself wasn't plutoed -- it's still the same planet it was before 2006; but the International Astronomical Union (IAU) was plutoed by less than 5% of its members to pass a controversial special-interest definition of "planet", and it's been too politically sticky to yet take the organization back from the hijackers. The US and India are also frequently plutoed, according to their citizens.
Washington DC plutoes the country for a half billion dollars every spring with Daylight Savings Time (see news article "US lost almost half a billion dollars due to Daylight Saving Time").
by Sane Astronomer May 15, 2013
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