Dead horses refer to ideas or topics that have already been discussed and are no longer relevant. Antonyms for this phrase would include fresh or novel ideas, innovative thinking, and current trends. When discussing a topic, it is important to explore different perspectives and avoid beating a dead horse. By introducing new angles and ideas, we can keep conversations lively and engaging. In today's rapidly changing world, it is essential to stay on top of emerging trends and constantly challenge ourselves to think outside the box. Letting go of dead horses and embracing new ideas will keep us moving forward and help us achieve our goals.