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thingamabob

[thing-uh-muh-bob]
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noun Informal.
  1. thingamajig.
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Also thing·u·ma·bob, thing·um·bob [thing-uh m-bob] /ˈθɪŋ əmˌbɒb/

Origin of thingamabob

First recorded in 1835–45; see origin at thingamajig, bob2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for thingumabob

Historical Examples

  • It had just been a game they had played while looking for the thingumabob.

    Gargoyles

    Ben Hecht

British Dictionary definitions for thingumabob

thingumabob

thingamabob

noun
  1. informal a person or thing the name of which is unknown, temporarily forgotten, or deliberately overlookedAlso: thingumajig, thingamajig (ˈθɪŋəməˌdʒɪɡ), thingummy (ˈθɪŋəmɪ)
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Word Origin

C18: from thing 1, with humorous suffix
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012