After the game crew chief Mark Lindsay declined to specify the content of Jokić’s complaint, but he told a pool reporter Jokić “directed profane language at the official that by our standards warranted an ejection.”

Source: https://www.bostonherald.com/2023/12/13/3-takeaways-from-the-chicago-bulls-2nd-straight-loss-including-an-early-ejection-for-denver-nuggets-star-nikola-joki/