A terrible disease that makes you unable to brain.

noun: an induced case of idiocy caused by the witnessing or committing of an act, or display of, profound stupidity.

An incredibly infectious disease that causes all those around the infected to suffer immensely. It prevents those infected from using their brain. Often leads leads to feelings of bliss from ignorance, and idiocy.

Also is transmittable from person to person, person to animal, and animal to person.

a common term used when someone is being stupid or idiotic... or just dumb, made into a noun. (c)amanda ryyla

Certain people who portray a level of retardedness vastly greater than the general populous.

A common term for someone acting in a stupid manner.

Out of line, ridiculous, completely uncalled for.