Top Definition
A hairy male witch lurks around in the darkness of night and is extremely over weight. ( There has been acounts of a fat munger lurking the steets of Herreid, South Dakota raping high school girls and drinking old booze from the 1950s)
Guy 1- Jeeze! look at that fat guy.

Guy 2- Yeah thats a fat munger, he must be lurking around the local sausage shop.
by BarrelAzz December 30, 2009
4 Words related to Fat Munger

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