doodad
doo-dad
noun
A small, often unnamed or forgotten object, gadget, or device.
"Could you pass me that doodad over there?"
Thesaurus
Synonyms: thingumajig, gizmo, whatchamacallit, whatsis, thingummy, widget, dojigger, whatchamacallum, thingamabob, gubbins, doohickey, thingumabob