[thim.ble.rig] n (1826) 1: a swindling trick in which a small ball or pea is quickly shifted from under one to another of three small cups to fool the spectator guessing its location
2: one who manipulates the cup in thimblerig: thimblerigger
[2]thimblerig vt (1839) 1: to cheat by trickery
2: to swindle by thimblerig -- thim.ble.rig.ger n