Tyson Fury ... YOU NASTY!!!
The boxing star not only beat up Deontay Wilder in their heavyweight clash Saturday night -- he LICKED THE BLOOD off Wilder's neck during the fight!!
31-year-old Fury had dominated from the start -- teeing off on the Bronze Bomber (and likely busting his eardrum in the process) in their highly anticipated rematch.
Wilder was dripping blood all over the place -- and during the 6th round, Fury flicked out his tongue and began licking the blood off of Wilder's bloody neck!!!!
It was super gross -- and Fury loved it.