THESAURUS
thingumabob
affair, article, artifact, dingus, dofunny, dohickey, dojigger, dojiggy, domajig, domajigger, doodad, dowhacky, eppes, etwas, flumadiddle, gadget, gigamaree, gimmick, gizmo, hickey, hootenanny, hootmalalie, jigger, material thing, object, quelque chose, something, thing, thingum, thingumadad, thingumadoodle, thingumajig, thingumajigger, thingumaree, thingummy, whatchy, widget