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thingamajig

1 ENTRIES FOUND:
thingamajig noun
or thingumajig /ˈθɪŋəməˌʤɪg/
plural thingamajigs
thingamajig
noun
or thingumajig /ˈθɪŋəməˌʤɪg/
plural thingamajigs
Britannica Dictionary definition of THINGAMAJIG
[count] informal
: something whose name you have forgotten or do not know