Chronic Retardation
It's when someone is so dumb you are sure they are retarded but not medically diagnosed as being retarded.
OMG! Your you're such an idiot! Do you have Chronic Retardation?
chronic retardation
When someone is chronically retarded!
girl one: why's that boy laughing for no reason?
girl 2 : he must have chronic retardation
girl 2 : he must have chronic retardation