thimble rigger: One who cheats by thimblerigging, or tricks of legerdemain. 1. Also known as a shell game: A game, usually involving gambling, in which a person hides a small object underneath one of three nutshells, thimbles, or cups, then shuffles them about on a flat surface while spectators try to guess the final location of the object. Also called thimblerig. 2. A fraud or deception perpetrated by shifting conspicuous things to hide something else.
"Their notions of justice more closely resemble that of the sidewalk thimble rigger."
by Bob Martin July 10, 2004