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thing·um·my | \ ˈthiŋ-ə-mē 
\
\ plural thingummies
Definition of thingummy
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Synonyms for thingummy
Synonyms
- dingus,
- doodad,
- doohickey,
- hickey,
- thingamabob,
- thingamajig
- (or thingumajig),
- whatchamacallit,
- whatnot,
- whatsit
- (also whatsis or what-is-it)
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Time Traveler for thingummy
The first known use of thingummy was in 1796
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