When one somehow is retarded and autistic at the same time.
My brother has retardism. He may need to be instututionalized
people who are actually retarded mentally and physically
People with fucking retardism are actually retarded.
Retardism is something people gain overtime it comes from lack of brain cells when they were developing in the moms pussy you wont notice it at first but around 13 to 14 is when they starting acting retarted they cant think logically on decisions that should be easy to make most of the time they make the most out of pocket decision and just dont give a fuck.
Yo Maddie why you always making the most out of pocket decisions god damn i knew had retardism
Someone that is so retarded it is like its their religion
That guy Liam over their is suffering from retardism
Something that's full of retarded manner
Bobby: Your opinion is full of retardism, Billy.
Axel: yep.
Morton: exactly.
Retardism is where your a retard that has autism at the same time
Yeh he must have retardism, look at him.
If you get offended by this I personally diagnose you with retardism :)