shortchange

Etymology

short + change

verb

1. (transitive) To defraud (someone) by giving them less change than they should be given after a transaction.
   I got shortchanged! I gave him $10 for a $5 item and he only gave me $1 back.
2. (transitive, by extension) To deprive (someone) of something due; to treat unfairly; to cheat, deceive.
   The elective class was easy, but in the end I was shortchanging myself.
   Specific evidence that the United States is being short-changed in the cultural exchange program with the Soviet Union has been offered by Representative Michael Feighan of Ohio, chairman of the House subcommittee and the joint Senate House Committee on Immigration and Nationality Policy. 1964-06-16, “Short End of Exchange”, in The Indianapolis Star, volume 62, number 11, Indianapolis, Ind., page 14
3. To make disadvantaged by design.
   Being proud of mistreating shortchanged "enemies" is a likely sign of class consciousness, as well as thinking or speaking ill of them.