look up any word, like pussy:
 
1.
the act of being retarded
Haley was showing her retardedness when she fell down the stairs on a cruis.
by Haley Marie P. June 17, 2007
 
2.
something being very retarded
Note: not a real word
Helen thought retardedness was a word but the almighty hawt Erich proved her wrong
by Mr.AznGuy May 04, 2011