When someone acts more retarded than they usually do.
Stephanie is acting retardeder today than she did yesterday when she hit my car.
Retarded but with a "er" which makes someone or something more retarded.
every thing you say get "retardeder"
When sumone is more then retarded
I thought I was retarded,but then Tristan spoken and that black kid retardeder we
"What you just said was pure retardedness"
"My bad bro it won't happen again"
a term used to define how retarded something or someone is
joe's retardedness level is low
brtuh's retardedness level is high