food in mouth
When there is any kind of food in a character's mouth, whether it's being held by hand or simply resting on their tongue.
Use the mouth hold tag as well if they're holding it by the teeth or lips without any hand supports.
See also
The following tags implicate this tag: pocky_in_mouth, popsicle_in_mouth, pretz_in_mouth, and toast_in_mouth (learn more).