Originally a name for the female breast. Also a word used to describe Gav. However, its definition has become more generalised in recent years to capture a more comical impact. Furthermore cheb can now accommodate several different meanings in the same sentence. It is basically anything the user deems it to be. noun, verb, adverb, ajective.
Your a cheb ya cheb, We going down the cheb for a few pints of cheb, Show us your chebs, Alright chebby and Gav u are now officially a complete cheb.