Noun- an individual who is making extremely ignorant life decisions similar to that how a long haired hippie with no teeth and an addiction to millenial slang speech.
Quit acting like such a gumtard.

You're a Gumtard! You can't eat chips!
by Wahwah burger July 30, 2019
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A person, usually a YouTuber, with little to no understanding of how the real world works. Usually, the only way this people know how to solve problems is to snitch on others or dissing on badly-worded trap songs.
-"Hey, are you promoting gambling to kids?"
+"Hell no! I'm not a gumtard"
by AverageUser12 January 8, 2019
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An idiot that asks stupid questions, with spelling mistakes and lack of punctuation or grammar, about an item you have advertised for sale on gumtree.com.au
I got a question from a gumtard about the car I have for sale, he asked "whats ur bst prise on dat car and dos it come with rejo and are the breaks ny good"
by Sugar Glyder February 8, 2018
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