thingum
English
Etymology
Perhaps originally from the gradational compound thingum-thangum (based on thing) with the same terminal syllable as in crinkum-crankum, harum-scarum, trinkum-trankum.[1]
Noun
thingum (plural thingums)
- Synonym of thingummy.
References
- ^ “thingamajig”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.