a derogatory term for a German American from southern Indiana, particularly from the town of Jasper, Indiana.
by Kraut Stain March 2, 2010
 Get the Flat Headmug.
Get the Flat Headmug. Slang for a mentally retarded person.  Just like the word "retard" it can be used to call someone stupid that may not be mentally retarded.
by Brettus March 26, 2008
 Get the Flat Headmug.
Get the Flat Headmug. by henrysfeelingfine January 5, 2007
 Get the flat-headedmug.
Get the flat-headedmug. (Eli takes off hat) HAHAHAHAHHAHHAHAAHHAHAHAHAHAHAHAH FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD FLAT HEAD
by Sohoowusyourday>good February 8, 2022
 Get the Flat Headmug.
Get the Flat Headmug. by Jeff wood August 5, 2017
 Get the Flat headmug.
Get the Flat headmug. by Waysickerthanu June 12, 2023
 Get the flat headed bitchmug.
Get the flat headed bitchmug. People who argue with established science, geography, space photography, eye witnesses even morons who know for a fact that the Earth is NOT FLAT!
My kid passed 12 years of basic education but somehow has decided the Earth is flat. I guess he is just a Flat Head.
by The Repurposed Male January 6, 2024
 Get the Flat Headmug.
Get the Flat Headmug.