A "cuntstankerous" woman is Bad-tempered, argumentative, uncooperative, mean, bitchy, unreasonable, shrew, un-rational, and stubborn that also has a cunt that smells worse than Calcutta in the summer.
The entire bar cleared out when that cuntstankerous bitch Phyllis walked in. The bar owner spent a week fumigating the smell of stale queef
Customer + Cunt = Cuntstomer. Describes retail customers who think you should wait on them hand and foot. Especially try to act like they know more than you when they ask you a question.
I told the cuntstomer we don't return Betamax players, especially ones without reciepts.