Retardumb Edit Meaning

1. to bang heads and yell kapowie kila: branni, you just kapowied me really good. branni: Did it hurt? Kila: Yes, Very bad. See kapowie..

1. Idiot. Man you are a memebr of the I D ten T fraternity aren't you? See idiot, fool, stupid, dumb, retarded..

1. To screw up. To ruin something that was formerly beautiful, especially in the field of design. Taken from the name of BMW's controv..