What is another word for feed your face?
Pronunciation: [fˈiːd jɔː fˈe͡ɪs] (IPA) 
When it comes to expressions for eating, "feed your face" is a colloquial and somewhat crass way to describe the act of consumption. However, there are many other ways to say the same thing in a more polite or even playful manner. For instance, one might say "grab a bite" if they're just looking for a small meal. Alternatively, "dig in" communicates eagerness to start eating without sounding rude. "Chow down" has a more casual tone, while "partake" is a more formal way to express the same idea. Others include "have a nosh," "munch on," "devour," and "indulge." Ultimately, the choice depends on the situation, one's personality, and the audience they are speaking to.
