While not being out and out retarded, the omnitard has a way of making everything (s)he does seem retarded.
Man, Joe is such an omnitard. Every time he comes over, he licks the walls, but only the red ones.
Main Entry: omnitard
Function: combining form
Etymology: Latin, from omnis (multi) & tardus (slow)
: universally slow and/or dimwitted
That guy is a real omnitard for not turning the water off before working on the pipes.
noun; insult; someone who is an all-around idiot; coming from the word "omni" (meaning "all") and "retarded"; a less-offensive word than "retarded"
1) After a girl sticks a fork in an electrical socket while standing in a puddle of water, she can officially be classified as an omnitard.
2) To be used in any situation when the person is behaving in an ignorant fashion.
To be more retarded than all; a person more retarded than all
you're so omnitarded