Top Definition
A person who always wants christmas to be greener and more summer-like. Cette person is ussually grumpy or angry. They don't like the cold or snow. The opposite of Mr.White Christmas. Also seen in the Miser Brothers Chritmas.
Happy Fellow: Hey, you wanna come play in the snow?

Grumps: no! I hate the snow.

Happy Fellow: Suit yourself, Mr.Green Christmas.
by Mr.Shiny December 23, 2008

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