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 male unit, Mark went into shutdown.
ohhh, you just got shutdown, like you just gottotally 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!"