An adjective used to describe a foolish or stupid person. It may sometimes be used in a serious context but is generally utilized as a playful insult. It is aslo a "politically correct" way of calling someone a "retard". The word came into useage by way of a lyric in an Ian Erix song and is reportedly an acronym for Un-Non-Tard ("Tard" having been derived from the word "Retard").
Oh my G-d, you've never heard of urbandictionary.com??? You are such an unt!!!

She's the biggest unt...she would lose her head if it wasn't attached to her shoulders!
by PJ Stark February 1, 2009
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A suffix added to any word desired in any scenario.
Oi, do you wantunt go to the movunt with munt? I'll shoutunt you a tickunt.
by Jobro Ki February 19, 2018
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Hell no.
Nope.
Nada.

A way of saying no, commonly used by poc.
Niya: and then I said that she looks like a gorilla…
V: unt unt that’s very much trifling.
by bcyouneedher June 12, 2022
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"Unt unt" is more of an onomatopoeia than an actual word. The production of this sound is produced by raising the back portion of the tongue upwards for the first "unt" and then downwards for the second. This sound may sound more nasal-like due to the positioning of the tongue. This sound is made often in response to a statement or question in which the speaker disagrees with.
"Did you see her new outfit?"
"Unt unt, what did it look like?
by Zendjayus May 30, 2022
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Remove this description and get a mug including the mug handle it spells Cunt
Look at my mug this is what you are Unt on a mug spells Cunt that being a cussing word makes it funny
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The general way to describe a beat too almost any rave song.
Guy: Did you hear that pimping song last night?
Girl: Which one?
Guy: That one that was like unts unts unts unts unts
Girl: Yeah, totally loved that one!
by TrueRaver May 21, 2011
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The universal correct spelling of the "Party Boy" sound.

Commonly used to describe the sound in a text message to avoid confusion and questions.
"unts.. unts.. unts.. unts.. unts.. unts. whoot.. whoot.. unts.. unts.."
by Hitman 4-7 (nhoffer) April 16, 2009
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