someone who is not the smartest person on the planet.
Kyle: "Come to the party on Saturday!"

Taylor: "Nah. I think i'm just going to stay home and relax."
Kyle: "Oh my gosh, you're such a chumpdumper."
by Taylor Gafahrem January 7, 2011
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A place full of pure dafty chumps. 'Don't be a chump be a champ''.
E.g Benwell, is a 'serial chumpdump', it's full of proper radgepackets leeks.
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