can be used as a noun meaning weed or as a verb meaning to smoke weed.
"hey man lets go boof"
"do you have any boof? I want to roll up"
To hide an object or attempt to hide an object in someone's butt cheeks.
My pal Danny tried to boof a beer into the concert last night but security caught him.
Boof is not just a word or a phrase it is a lifestyle, A filler word, a noun, a verb, an adjective.
It isnt just a word meaning one thing, it is all knowing, all seeing, universal being.
For more lore check out wikipedia, And Remember Boof gang for life.