thingamajig

noun thing·am·a·jig \ˈthiŋ-ə-mə-ˌjig\

: something whose name you have forgotten or do not know

Full Definition of THINGAMAJIG

: something that is hard to classify or whose name is unknown or forgotten

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thing·am·a·jig or thing·um·a·jig \ˈthiŋ-ə-mə-ˌjig\

alteration of earlier thingum, from thing

First Known Use: 1828

Synonyms: dingus, doohickey, hickey, thingamabob, doodad (or thingumajig), thingummy, whatchamacallit, whatnot, whatsit (also whatsis or what-is-it)

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