stuff your face

stuff (one's) face

slang To eat a lot of food in a short period of time. Sorry, I'm not hungry for dinner—I really stuffed my face at the luncheon earlier.
See also: face, stuff

stuff your face

INFORMAL
If someone stuffs their face, they eat a lot of food in a greedy way. She picked up a club sandwich and began stuffing her face.
See also: face, stuff