thimblerig Syllabification: (thim·ble·rig)Pronunciation: /ˈTHimbəlˌrig/Definition of thimblerig noun another term for shell game.Derivatives thimblerigger noun Origin: early 19th century: from thimble + rig2 in the sense 'trick, dodge'thimblerig in other Oxford dictionaries Definition of thimblerig in the British & World English dictionary