Simple Definition of doohickey
: an object or device whose name you do not know or have forgotten
Full Definition of doohickey
plural doo·hickeys also doo·hickies
: doodad 2
Examples of doohickey
<screw in the doohickey at the top of the lamp shade>
Origin of doohickey
probably from doodad + hickey
First Known Use: 1914
Rhymes with doohickey
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Thesaurus: All synonyms and antonyms for "doohickey"
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