Why did the black man inject growth hormone in his knee?... bathroom doctor human_body_parts medicine racial_and_ethnic_groups Please Rate Vote 1 Vote 2 Vote 3 Vote 4 Vote 5 Today's featured daily humor:Why did the black man inject growth hormone in his knee? Because he wanted to knee-growClick for another laugh! Previous article: What do you call John Wick, when he is tearing it up on the dance floor?... Prev Next article: Real life today.... Next