short·change (shôrt

chānj

)
tr.v. short·changed, short·chang·ing, short·chang·es ► To give (someone) less change than is due in a transaction.
► Informal. To treat unfairly or deceitfully; cheat: a deceitful cook who skimps on ingredients and shortchanges guests (Jacques Pepin).
[TahlilGaran] American Dictionary ▲
shortchange v. phr. To return less money to a customer in a store than is coming to him or her; cheat.
I was shortchanged by the cashier when I got seven dollars back instead of eight. [TahlilGaran] English Idioms Dictionary ▲