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1.
the answer when you ask a rhetorical question involving "who," such as "Who does blank affect?" or "Who wants free donuts?" or anything like that, to which the answer is always "everyone and anyone who is sane."
"Who wants to time travel?"
"Everywho."

"Who wants to have a pet unicorn?"
"Everywho."
by Everywho October 21, 2013