whatchamacallit

n.

1.

Any object whose name is forgotten, or not known.

Noun

1.

whatchamacallit - miscellaneous unspecified objects; "the trunk was full of stuff" Synonyms: sundries, sundry, whatsis, stuff

dohickey, dojigger, doodad, doohickey, etcetera, gimmick, gismo, gizmo, gubbins, hickey, object, physical object, stuff, sundries, sundry, thingamabob, thingamajig, thingmabob, thingmajig, thingumabob, thingumajig, thingummy, whatsis