Words: doodad doohickey dojigger gimmick gizmo gismo gubbins thingamabob thingumabob thingmabob thingamajig thingumajig thingmajig thingummy whatchamacallit whatchamacallum whatsis widget
Part of speech: n
Definition: something unspecified whose name is either forgotten or not known
Example: she eased the ball-shaped doodad back into its socket