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1.
1. The master of all retarded behavior.
2. One who excels in tardness.
Put the midget down, tardmaster!
by Brian (the ultimate Tard) February 22, 2006
 
2.
The master of a retard, as commonly seen in public schools since the initial passage of the Individuals with Disabilities Education Act, which mandated the inclusion of retards into standard education settings. These retards need constant individual supervision from tardmasters.
"Dude, did you see that retard flip his shit in gym earlier? His tardmaster had to take him down!"
by gnomenclature January 02, 2010