English definition of “stuff”
/stʌf/ verb [T]
stuff sth in/into/behind, etc › to push something into a small space, often quickly or in a careless way: He stuffed the papers into his briefcase and left.
FILL › to completely fill a container with something: an envelope stuffed with money
FOOD › to fill meat, vegetables, etc with a mixture of food before you cook them: stuffed peppers
DEAD ANIMAL › to fill the body of a dead animal with special material so that it looks as if it is still alive