Someone very stupid or goofy. Usually acting out in ways that show they are oblivious to their issues, problems, retardation, sillyness or character.
by Loki June 19, 2006
I saw Johnny after that UPS truck hit him, they have him in a tard bucket now, all he seems to do is drool on himself, can't walk, can't even talk.
by Dr. Cornwalice April 14, 2008