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Justing comes from Justin Timberlakes song "What Comes Around..."
If you have had an ex or whatever, and fate takes a hard turn on their life.
This is called justing.
Justing is when karma takes a bite out of your ex's ass.
For example -

A - My ex boyfriend has been sacked, his new gf dumped him, he broke her car, his mum's kicked him out of her house, he lost his driving license for driving without insurance and he's had to sell his car
B - That's justing for you
by karmasabitch91 January 04, 2010
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Aug 11 Word of the Day
You can tell by the way she walks, she got that WAP.

You can look at her face and tell she ain't got that WAP.
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A rage-filled fap session for the Biebz.
A rage-filled fap session for the Biebz is called "justing."
by ak2348 June 01, 2014
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