A humorous, pseudo-Latin variant of doohickey or doohinkey, used jokingly to describe an unidentified object.
A playful blend of doohinkey with a mock-Latin '-us' ending, similar to doohickus, created for comic effect by giving a silly word a fake scholarly appearance.
These made-up variations show how creative English speakers are—we can take one nonsense word and spin off dozens of humorous variants by adjusting vowels and adding fake suffixes, and everyone still knows what we mean.
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