You're filling me up with your rules — The Beatles : Getting Better.
If you fill up or fill yourself up with food, you eat so much that you do not feel hungry. Fill up on potatoes, bread and pasta, which are high in carbohydrate and low in fat When you are happy about yourself you won't need to fill yourself up with food
make full, also in a metaphorical sense; "fill a container"; "fill the child with pride"
become full; "The pool slowly filled with water"; "The theater filled up slowly"
A type of food that fills you up makes you feel that you have eaten a lot, even though you have only eaten a small amount. Potatoes fill us up without overloading us with calories. see also fill 1, 2, 6