A person who is acting strange, wierd, funny, or just plain dumb.
Wow Lula, you're such a dumbnut.
by Blah! =P Oscar! April 25, 2010
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Someone or something who does a stupid mistake
Wow josh forgot his paper what a dumbnut
by Kipperdoodle January 11, 2018
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Being so dumb that you don’t even remember who u are or what ur doing or why u did/didn’t do it
Brady is such a dumbnut for not asking Bayli out!
by Achecchi200517 October 28, 2018
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Noun. A cross between a dumbass and numbnuts.
by AL9000 January 25, 2009
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A Dumb Person Who Cant Just Shut because They're Dumb.
by realdefs44 March 14, 2018
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A very stupid or retarded person, most commonly used with males.
"You're such a dumbnut Jeremy!"
by dumbnutinthedictionary February 2, 2019
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a dumb nut head

word made by bellabeans
shut up ife ur such a dumbnut
by BELLAABEANSS October 24, 2019
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