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1. (v.) to go crazy, freak out, go mad out of nowhere.
2. (n.) one who has gone insane, is in the act of insanity.
1. "That girl totally chappelled out on me when I told her I slept with her sister."
2. "David went chappelle when that bitch dumped him."
by evanm May 16, 2005
Leaving a place of discontent.
I chappelled the fuck outa there.
by Crafty July 12, 2006