Definitions

from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • n. Informal An unnamed gadget or trinket.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A thing (used in a vague way to refer to something whose name one cannot recall)

from the GNU version of the Collaborative International Dictionary of English

  • n. Any object, usually a tool or other device, whose name is forgotten, or not known.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. something unspecified whose name is either forgotten or not known

Etymologies

Perhaps doo(dad) + hickey.
(American Heritage® Dictionary of the English Language, Fourth Edition)
First attested 1914, of uncertain origin, probably from doodad + hickey. (Wiktionary)

Examples

  • Get Help: Need to replace a part of your toilet but have no idea how to describe it to the person at the hardware store without using the word doohickey?

    Macworld

  • I believe "doohickey" is the correct technical term for that particular control.

    A Bit More On Music

  • Training ones either have a plastic or rubbery doohickey attached at the apex of the chopsticks or are actually attached.

    PhotoHunter: Belated Utensilā€¦. « Mudpuddle

  • So, here we have President Malcom J. Roebuck telling me, with a look of dead-eyed seriousness, that I can make $25 to $100 per hour by making and selling "metal pin-back badges" made with his $35 button crimper doohickey.

    Boing Boing

  • (Assuming the embedded doohickey works; it seems to be a bit temperamental right now.)

    March On!

  • And, no, I don't know why the embedded doohickey cuts off the last few seconds of the song.

    For a Lark

  • That's due to my genius brother-in-law Reed Richards, Mr. Fantastic, the leader of the FF, and his universal translator doohickey.

    Robert Brenner: "Flame Off!": Hosni Mubarak and the Human Torch

  • Mine definitely has the musical greetings-card-style doohickey installed as Chris and Allison and meself agreed.

    On Prologues

  • Anyway, I stuck it up on the fileshare site I normally use, for this chap to download, so I thought I may as well, punt one of the embedded doohickey things up here, for anyone what's cracked enough to want a copy, or who has a spare thirty-five frickin minutes to listen to me play at being a pirate.

    Mind Meld, Matelotage and Mutiny

  • The words she spoke afterward were even more hurtful than the concussion Don might have incurred if that desktop doohickey had actually made contact.

    'Mad Men': Who was this week's empowered heroine -- Allison or Peggy?

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Comments

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  • JM offers the warning - beware of oojahs, thingumabobs, doohickies and whatchamacallits as objects without proper names are never to be trusted.

    February 1, 2009

  • wotsit

    July 25, 2007