It can be a noun or verb. It means "spending (Or "to spend) time in a totally unproductive, stupid way by hitching a
ride on the back of an assumption."
Hermione lived her live as a total, complete dumfungle.
Or
He decided to dumfungle for the rest of the class period.
by Jim Clark February 25, 2008
6 Words related to dumfungle

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