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Trapping air inside a flannel and putting it on the bath water, making a box shape filled with air.
"Dude why were you in the bathroom for 2 hours?"
"Oh I was just making flannel houses."
by A_Guy November 20, 2013
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Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
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