Here's why:
* Feast: This implies a large meal with abundant food, often celebratory in nature. Dancing food could be a playful aspect of entertainment during a feast.
* Banquet: This is a formal, often lavish meal, often associated with celebrations or special occasions. Speeches are common at banquets, and dancing is a typical form of entertainment.
Let me know if you have more clues about the celebration, and I can help you pinpoint a more specific name!