WordWeb Online

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

Derived forms: whatchamacallits

Type of: stuff

Encyclopedia: Whatchamacallit