When it comes to expressing enjoyment while eating, there are a lot of synonyms for the phrase "eat hearty!" Some possibilities might include "dig in," "chow down," "enjoy your meal," "bon appetit," "feast on," "devour," or "savor every bite." These phrases can be used to encourage someone to eat well or to express appreciation for a delicious meal. Whether you're dining with friends or family, or just enjoying a meal on your own, it's always nice to express your pleasure at the food in front of you. So don't shy away from these fun and flavorful phrases - use them to spice up your dining experience and let your taste buds guide you to a delicious and satisfying meal!