When a human being or creature is in a state of nothingness. The individual has lost all train of thought and is completely useless. A victim of shutdown cannot think, has no motor skills, appearing to be much like a pilon. Shutdown is often caused after a day of vigorous activity, or simply from being lazy.
After spending the previous five hours stroking his maleunit, Mark went into shutdown.
ohhh, you justgot shutdown, like you just got totally insulted or proven wrong.
person A: "China is SO the capital of Thailand."
person B: "nu-uh!"
person A: "yuh-huh! ask person C."
person C: "actually, BANGKOK is the capital of thailand."
person B: "ohhh, shutdown!"