rip-off

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A product or service that is overpriced or of poor quality.
• noun Something, such as a film or story, that is clearly imitative of or based on something else.
• noun A theft.
• noun An act of exploitation.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun countable A bad deal; an unfair price or rate.
• noun A theft or robbery.
• noun A scam.
• noun A copy, especially one that is illegal or inferior.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the act of stealing