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.
Thirty years ago my cousin Jim was about 18 and he came home about 4 in the morning, and he was kind of drunk, and his Dad was standing there in the kitchen and Jim said, "Dad, do we have any cuntaloupe?" and his Dad said, "Jim, you've been hanging around Andy too much"
A cuntador is a person who doesn't play fair, whether in sport, business or life. Someone who uses another person's misfortune to gain something for themselves.
Originated when the cyclist Alberto Contador, took an unfair advantage of cyclist Andy Schleck's bike malfunction on stage 16 of the 2010 Tour de France.