Top definition
a name for someone you feel is annoying you, or you simply want to call a dundermuffin since it's fun to say.
"dundermuffin, this is pam."
by Julia Green October 11, 2007
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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2
stupid nonsence
you are such a dunder muffin, i dont even want to look at you.
by bopppppppppppppop November 09, 2008
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Donkey Punch Plush

10" high plush doll.

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3
someone who is a very dear friend.
Sarah and Elizabeth are dundermuffins.
by osiyf;aso5804e864 November 17, 2016
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Donkey Punch Plush

10" high plush doll.

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