The sudden onset of a feeling of irritation caused by a drop in blood sugar levels from not eating. It often occurs on a flight after missing breakfast because security and check in took too long.
"Claire, you are going red and baring your teeth! You are clearly having a foodswing. Quick, eat an emergancy vegan cheesey puff....."
Verb- The act of text talking with another person about all the foods and what you'd do to them if you could eat them right now. It's kind of like sexting, but for fat people.