After eating such a meal, a person usually cannot eat anymore because they are too tired to carry on.
A common cause of such weariness can be directly related to eating turkey at Thanksgiving. Turkey contains Tryptophan, a sleep inducing chemical.
Another cause of food coma comes from drinking too much wine with a big meal.
The real cause of Food Coma comes from eating too much carbs that will eventually break down in the stomach, causing an inordinate amt. of blood to rush to the system.
To releive the effects of food coma, one can unbutton their pants so their stomach can expand beyond normal perameters.
Also, it is advised that a person take a short nap, followed by a large dessert.
Tasha was so full she unbuttoned her pants to help releive her Food Coma before taking a nap.
May cause you to take a fat nap.
see also itis
Six trips to the buffet, time for a fat nap.
I can't believe i ate that whole plate of ribs, man that itis gonna get me.