Yes, you can explode your stomach from eating too much. You probably wont, but the possibility exists. The average human stomach holds about 1 liters-worth of contents. You might have heard that the stomach can shrink or stretch, and to a certain degree thats true. At capacity, the stomach can stretch to hold anywhere from a half gallon to slightly more than a gallon, according to various estimates. It varies from person to person, but past that point is where it really starts to get risky.
