A person, who once a month under a full moon turns into a retarded person. This condtion is usually transmitted from being bitten or scratched by a retard.
1.
"I was walking my dog last night, and we were attacked by Weretards."
2.
"That retarded kid, Jim, bit me yesterday. I better go to the doctor and check to make sure i'm not weretarded."
Delusional yet patriotic sports fan who identifies so strongly with the team he roots for, that he/she believes to have personally won or lost something, depending on the outcome of the game.