Definition of "whaddayacallit" []

• A metasyntactic term used for any object whose actual name the speaker does not know or cannot remember. (noun)

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• "“Yeah, she went to the doctor and had a whaddayacallit, a mammogram, and they told her she has cancer.”"
• "In the gardenSnowball is inspecting my fayleanopsis pheyleanopsis ... whaddayacallit ... my orchid."
• "Happy to have you, although I must point out as usual that this lj/blog/whaddayacallit is more often than not deeply superficial, sometimes given to cataloging the aches and pains of getting older, and never contains anything about how to write or be creative because that stuff costs approximately GBP100 per hour negotiable."