gyp
noun /dʒɪp/
  /dʒɪp/
[singular] (North American English, informal)Idioms - an act of charging too much money for something
- That meal was a real gyp.
 
Word Origingive somebody gyp. late 19th cent.: perhaps from gee-up (see gee(verb)). noun late 19th cent.: of unknown origin. 
Idioms 
give somebody gyp 
- (British English, informal) to cause somebody a lot of pain
- My back's been giving me gyp lately.