A large animal, whether fluffy, muscular, bulky, or chunky, that holds positive, warm and welcoming characteristics attach to them. They also may hold the trait to be able to be even bigger or fluffier at will or when certain conditions are met.

If something is boof then it is really ratchet and unpractical. Mostly used when describing a place or person. All the cool kids are saying it!!

When you pass the boof

to hide an object (while usually in prison) inside one's anus.

butt fuck, or those who enjoy being fucked in the butt

to shove something up your ass or rectum

Means whatever you want it to mean! It's a sick word!