A person who is so retarted that he makes other people retarted too. If you see a retardoholic you are obliged by law to kill him with a chainsaw. If you don't you die.
Peter: Im a retardoholic!
Daniel: Oh no! Me too!
Anders: Wrrrrm!! Wrrrrm!!
A person who is addicted to repeating stupid acts on an ongoing basis. No matter whatthe outcome is they still continue to do it. Similar to an alcoholic.