Read the dictionary definition of stuff. All definitions for this word.
1. miscellaneous unspecified objects
1. the trunk was full of stuff
2. unspecified qualities required to do or be something
1. the stuff of heros
2. you don't have the stuff to be a United States Marine
3. a critically important or characteristic component
1. suspense is the very stuff of narrative
4. senseless talk
1. don't give me that stuff
5. information in some unspecified form
1. it was stuff I had heard before
2. there's good stuff in that book
6. informal terms for personal possessions
1. did you take all your clobber?
7. the tangible substance that goes into the makeup of a physical object
1. coal is a hard black material
2. wheat is the stuff they use to make bread
8. fill with a stuffing while cooking
1. Have you stuffed the turkey yet?
9. fill tightly with a material
1. stuff a pillow with feathers
10. treat with grease, fill, and prepare for mounting
1. stuff a bearskin
11. overeat or eat immodestly; make a pig of oneself
1. She stuffed herself at the dinner
2. The kids binged on ice cream
12. obstruct
1. My nose is all stuffed
2. Her arteries are blocked
13. cram into a cavity
1. The child stuffed candy into his pockets
14. press or force
1. Stuff money into an envelope
2. She thrust the letter into his hand