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1.
A cross between a chav and a preppy. Usually wears an outfit mixed with Jack Wills and Reebok.
Mate get a load of that cheppy over there! She's well buff.
by Ravester March 13, 2007
 
2.
Someone who is preppy and chavvy.
Ohmygod you like Abercrombie AND Tinchy Strider... you're so cheppy
by cherise.x. October 06, 2009
 
3.
cheppy means to be crap, rubbish, un-cool, cheap etc...
"oh my god, those trainers are well cheppy!"
by mark ravenna September 15, 2006