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1.
The name given to EmSixTeen when he is posering on a disabled parking sign.
Em is Ertarded
by x3n0m0rph November 26, 2003
 
2.
A person who constantly misspells words while chatting.
Freddy is such an ertard; he is always misspelling things in AIM.
by genocidengel November 08, 2003