beating, bilking, bleeding, cheating, chiseling(or chiselling), chousing, conning, cozening, defrauding, diddling, doing, doing in, euchring, fiddling, fleecing, flimflamming, gaffing, gypping, hosing(slang), hustling, mulcting, nobbling(British slang), plucking, reaming, ripping off, rooking, screwing, shaking down, shortchanging, shorting, skinning, skunking, squeezing, sticking, stiffing, stinging, suckering, swindling, thimblerigging
extorting, wrenching, wresting, wringingclipping, gouging, nicking, overcharging, soakingexploiting, milkingdeceiving, duping, fooling, gulling, trickingroping (in)betraying, bitching, double-crossingbamboozling, fast-talking
selling a bill of goods to, taking for a ride, taking to the cleaners