A slang term for a promiscuous woman. Commonly used by drunk bikers; the term "Joubert" reached the height of it's popularity in 2010 via online escort services catered to low income clientele.
We should go hit the bars in Oshkosh tonight. I've got an extra $10 set aside in case I need to find a Joubert.
by Greg the Collins September 4, 2011
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To tell an outlandish lie with no factual basis whatsoever usually with the intention to destroying an opponent usually used in connection with an overbearing abusive semi deranged older female in a position of feigned authority.

It is believed that this word derives from the word jail bait. It applies though to an older woman not a young girl. The root of the issue is the same though -- a female who is dangerous through deception, deceit, and manipulation.

Another theory is that this word derives from an old Amazon word Juuber which meant a very tall, masculine, evil, dangerous woman who kills and eats men and also children. In the deepest jungles, when a man is really upset because at an older woman, he will shout "Juuber." This is considered an obscenity in the Amazon Jungle.
That old Joubert hag lied stating that I had sex with a goat; gee whiz, I live in New York City and have never seen a goat.

Lanette, stop acting like a Joubert.
by Dudman October 21, 2011
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When someone rates the looks of the person they're having sex with (1-10), higher than most people would say. To make it seem like they don't bang ugly people.

A 1-10 scale for rating women. This scale is usally 3 or more points higher then what most people would rate the same girl.
"That girl is cute I'd say she's a 6. A 9 all day on the Joubert scale."

"I finally met the girl Jay said was an 8, there's no way . He must be using the Joubert Scale! She's barely a 5."
by K.W.Maine April 3, 2020
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Running like hell , tail between legs, after making a terrible game-changing decision, probably because of conflicting parties, to avoid consequences and alienate a whole nation by doing so.
He awarded the winning penalty and quickly after went totally A la Joubert avoiding the respectable tradition of shaking hands.
by rdscot23 October 20, 2015
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