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Adj ; To be fat, obese, flabby, annoying. Also to be very addicted to diet coke.
Man, that teacher seems so planchon. I hope I never have her.

Boy, she drinks alot of coke. She must be so planchon. I bet Diet Coke makes up 50% of her bodily fluids.
by captaincrank24 June 22, 2009
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