WordWeb Online

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

Derived forms: gubbinses

Type of: stuff