What does it mean when you vomit everything you eat? when he bearly ate he vomits it

Serious problem : If you vomit everytime you eat yopu do have a serious problem which needs to be evauated by your doctor as it will lead to dehydration and electrolyte imbalance.It can be due to some of following conditions 1chronic gastritis 2peptic ulcer disease 3intestinal obstruction 4gall bladder disease 5excessive alcohol consumption 6appendicitis you need to see your doctor asap.