The situation of reassuring a customer of the value of his or her purchase by charging as much for it as possible. The customers are filled with a warm afterglow and are sure it must be good because it was expensive. Mutually rewarding in different ways for all parties. Example: Rather than shop for a bargain, Chris would go to one of the big stores and get a good wallet-screw.
WALLET-SCREW
Meaning of WALLET-SCREW in English
Slang English vocab. Английский сленговый словарь. 2012