as in thingamajig
a small article the actual name of which one either does not know or cannot remember I need one of those whatchamacallits to connect the two patch cords

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“Whatchamacallit.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/whatchamacallit. Accessed 20 Jun. 2024.

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