regurgitate

pour or rush back; "The blood regurgitates into the heart ventricle"

feed through the beak by regurgitating previously swallowed food; "many birds feed their young by regurgitating what they have swallowed and carried to the nest"

repeat after memorization; "For the exam, you must be able to regurgitate the information"

eject the contents of the stomach through the mouth; "After drinking too much, the students vomited"; "He purged continuously"; "The patient regurgitated the food we gave him last night"