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Noun: thingumajig  'thing-u-mu,jig
  1. Something unspecified whose name is either forgotten or not known
    "she eased the ball-shaped thingumajig back into its socket";
    - doodad [N. Amer], doohickey [N. Amer], dojigger [N. Amer], gimmick, gizmo, gismo, gubbins [Brit], thingamabob, thingumabob, thingmabob, thingamajig, thingmajig, thingummy, whatchamacallit, whatsis, widget, doodah [Brit], doobry [Brit], doobrie [Brit], doofer [Brit], thingo [Austral], doover [Austral], dingus [N. Amer], thingy, whatsit

Derived forms: thingumajigs

Type of: stuff

Encyclopedia: Thingumajig