1 definition by Rella

Top Definition
A child's imaginary friend or the name of an Australian/French Canadian fetus.
Family Friend: "Is Gumnut here?"
Child: "No, Gumnut is sleeping."

-or-

Friend: "How's Gumnut?"
Mother-to-be: "Good... she kicked all night long though so I couldn't get any sleep."
by Rella April 17, 2008

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