Much Food in the Mouth
Interpreters mention that whoever sees a lot of food in their mouth, with space for more, might indicate confusion in their affairs. They interpreted this dream as a sign that the amount of life passed for the dreamer is proportional to the food in their mouth, and the remaining life is proportional to the available space in their mouth.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam