short-change

verbs

cheat someone by not returning him enough money
short, short-change
deprive of by deceit
"He swindled me out of my inheritance"; "She defrauded the customers who trusted her"; "the cashier gypped me when he gave me too little change"
bunco, con, defraud, diddle, gip, goldbrick, gyp, hornswoggle, mulct, nobble, rook, scam, short-change, swindle, victimize