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a moment of non-discretion. acting out in an irrational manner, acting suddenly "crazy" then becoming suddenly normal again.
"sorry dog i didn't mean to kick you in the face i was chapellin"
sorry for wiping my muddy feet on your couch dog, i was chapellin for a minute"
"tiffany kiessler seemed normal at first, but then she started chapellin now it clear she's a crazy beyyyyaaatch"
by deluks March 10, 2006
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