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Troy Ave Kickin' Taxstone While He's Down ... Drops 'You're Guilty' Diss Song!!!

Troy Ave is reveling in the fact he helped put his mortal enemy, Taxstone, behind bars -- he just released a very disrespectful track celebrating his pending prison sentence.

The Brooklyn MC unleashed the fiery-titled, "Dear Hater I Won (Taxstone Found Guilty)" ... dropping it Friday, just hours after a jury in NYC found the pioneering hip hop podcaster was guilty of manslaughter.

The song opens up with audio of Boskoe100 slamming Taxstone for writing a letter to the judge that spoke against Troy, which provided the fuel for the slanderous chorus ... "Since you n***** like writing letters, here go one/Dear hater, I won/I'ma boss, you a bum/Suck a d**k, till it c**s." 🙊

Troy codirected the visuals with Shanicerayneil, and wildly captures himself rapping outside the NYC courthouse where the trial took place.

He justified his decision to testify against Tax ... by using an image of Jay-Z in court during his 2021 perfume lawsuit, assuring his critics he was in the right and his rival was in the wrong.

Taxstone, real name Daryl Campbell, was convicted of killing Troy's bodyguard Ronald McPhatter, and wounding three others -- including Troy -- during T.I.s 2016 concert in NYC. Troy used clips of the shooting in the 'Hater' music vid.

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We broke the story back when ... several people were caught in the Irving Plaza melee that spawned massive chaos inside the venue.

The new track is actually Troy's THIRD diss song against Taxstone this month ... we can't tell if it's giving vindication or obsession!!!

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