A completely naked man got into a street fight outside a Kanye West concert ... and it's all on video. TMZ obtained footage showing a guy throwing hands in his birthday suit Wednesday night at an intersection outside SoFi Stadium in Inglewood, CA, where Kanye was performing inside. The guy was letting it all hang out as he unleashed a barrage of punches and kicks on another man ... as people watched, and a man in a yellow vest even tried to intervene. Looks like the fight went down next to a