1 definition by Heyballookey2

Top Definition
Dunder is a combination of the words dirty underwear.
"make sure to wash your dunders" "Dunderwear, clothes for the working man" "Dunderwear soft enoughf for a mans buttox, toughf enough to handle the swamp ass of a working man"
by Heyballookey2 October 22, 2008

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