Rip Off
American SlangDefinition
Rip off: - Noun: A swindle; something unfairly overpriced or of poor value; an act of theft or plagiarism. - Verb: To cheat or overcharge; to steal from or copy without permission.
Examples
"Twenty bucks for a bottle of water at the airport is a total rip-off."
"The contractor tried to rip us off by padding the bill with bogus fees."
"That influencer’s video completely rips off the original creator’s concept without permission."