To throw something or somebody in the window of a building. Opposite of defensestrate which means to throw something or somebody out of a window of a building.
"Bradley: What's the opposite of defenstrate?"
Daniel: I don't know. Infenestrate?
by Leo Aquarius TM January 25, 2016
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the action of throwing something or someone into a window.
"I was told not to shoot the king's messenger, so I infenestrated him; his legs were fine. I do believe the king got the message."

"Gee, Larry, I haven't seen a good old-fashioned infenestration in a while."
by navster10 June 09, 2021
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