- whatchamacallit, stuff, whatsis, sundry, sundries - miscellaneous unspecified objects; "the trunk was full of stuff"
--1 is a kind of object, physical object
--1 has particulars:dohickey, dojigger, doodad, doohickey, gimmick, hickey, gizmo, gismo, gubbins, thingamabob, thingumabob, thingmabob, thingamajig, thingumajig, thingmajig, thingummy; etcetera