an overweight or obese and mentally handicapped person.
look at jake over there eating all those donuts like a fat tard
by digeratiX January 04, 2010
of or relating to being extremly fat and stupid at the same time thus being fatly retarded
wow that chance kid is such a fattard.
by md dylan June 20, 2006
One who is exceptionally fat and exceptionally stupid.
"Gawd, that fat Debbie is such a fattard."
by Screamadelica March 02, 2007
One who illustrates characteristics of both fatness and mental disability
"Man that bitch is such a fat-tard"
by phippy August 04, 2004