A Redicitard is someone who is acting ridiculously retarded. The phrase is often uttered when an onlooker finds themselves at an utter loss, and spits out the phrase when they finall come to and are attempting to expound just how ridiculously retardedsomeone else is acting.
George was being a total Redicatard last night when he tried to started humping me while writing his essay.
a combination of the two adjectives rediculous and retarded. Used when something is not only rediculous, and not only retarded, but a combination of both.