The point when a radio or television station shuts down transmission and goes off the air for a predetermined period, as used to happen overnight.
The action of stopping operations; a closing, of a computer, business, event, etc.
A statement, insult, etc. that prevents the opponent from replying further.
An autistic response to stress or sensory overload, in which the individual freezes up and becomes silent, motionless, and unresponsive.