Jo Koy has been defending himself after Taylor Swift’s icy reaction to his Golden Globes quip about her fell flat. The 52-year-old stand-up comic — who has been roundly criticized for his hosting of Sunday’s awards show celebrating excellence in film and TV — took a jab at Swift, whose disapproval over Koy’s joke was evident as she sipped her wine with no expression on her face in an awkward moment that promptly went viral. “It was cute. I was just saying it was cute,” Koy told Entertainment Tonight of his gag that “the big difference between the Golden Globes and the NFL? At the Golden Globes…