What makes your stomach feel like someone punched you in it?

A feeling like someone punched you in the stomach could be caused by various factors, including gas, bloating, or digestive issues such as indigestion or gastritis. Stress and anxiety can also lead to stomach discomfort, manifesting as a tight or painful sensation. Additionally, more serious conditions like ulcers or pancreatitis may cause similar symptoms and should be evaluated by a healthcare professional if persistent.