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A type of dental cavity mainly seen in Chavs, often seen in large numbers of the Chav's teeth. Characterised by big dental cavities in unusual places, cigarette staining, perhaps co-existing with several missing (front) teeth either through decay or fighting.
Chav: "I ain't bin lukin afta me teeth, innit!"

Dentist: "Yes, I quite agree. I can see you have a chavity here, there, here, here...."
by Dr Turks July 30, 2009
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