Top Definition
First heard centuries ago, recently spoken on the hit TV show "Trigger Happy TV".

Mugwuffin can be anybody's name. A great random name that can be used to create various pranks.
James: The name's, Mugwuffin.
Terry: Huh?

Pizza place: Can I have your surname please...
Jimbo: Mugwuffin
by Scott September 15, 2004

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