doohickey

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doohickey

A name for a gadget or thing whose actual name is unknown or has been forgotten. Where's that doohickey? I need it to finish this repair. Hand me that doohickey or whatever it's called, will you?

doojigger

A name for a gadget or thing whose actual name is unknown or has been forgotten. Where's that doojigger? I need it to finish this repair. Hand me that doojigger or whatever it's called, will you?

whatchamacallit

Any thing the name of which is not known or cannot be remembered. Hand me that whatchamacallit over there. He said the machine will generate… whatchamacallit… electrostatic potential energy, something like that.

doojigger

and doohickey and doohickie (ˈdudʒɪgɚ and ˈduhɪki)
n. a name for a gadget. Toss me that little red doohickey, will you?

doohickey

verb

whatchamacallit

(ˈʍətʃəməˈkɑlɪt)
n. a name for a person or thing whose real name has been forgotten or is being avoided. I lost my—you know—my whatchamacallit—my watch!

whatchamacallit

Something whose name is not known or has been forgotten. A slangy alteration of “what you may call it,” it dates from the first quarter of the twentieth century. For example, “He’s got that new gadget on his car, a whatchamacallit—oh, a GPS.” Similar if not quite synonymous terms are doohickey and thingamabob, dating from about the same time. For example, “The Digital Book System . . . a doohickey slightly bigger than a cassette box—that stores the equivalent of 10 Bibles” (Newsweek, December 7, 1992).