re·tard·ed
rəˈtärdəd/Submit
adjective
datedoffensive
less advanced in mental, physical, or social development than is usual for one's age.
informaloffensive
very foolish or stupid.
"in retrospect, it was a totally retarded idea"
notice it being described as "OFFENSIVE!" it's not, it's realism. if you have a problem /w me calling you a retard, well, to put it eloquently... you're a retard