1 definition by RadSavage

"To demote or devalue someone or something, as happened to the former planet Pluto when the General Assembly of the International Astronomical Union decided Pluto no longer met its definition of a planet."

Does not inherently note whether the demotion was with or without cause. This is the definition provided by the American Dialect Society, who coined the word.
The US dollar has plutoed in recent years.
by RadSavage August 20, 2009
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