It is slang for Meth but not cause what it does to your head. It is because when the smokers exhale a large cloud they sometimes unintentionally make the noise "Boooooooof". It is also a verb for smoking meth.
"I just got some Boof. Do you want to Boof?"
"Sure."
"Boooooof"
Big and oof combined, also known as double oof, fat oof, oof squared etc..
"Hey man I just lost my wallet"
"Boof man boof"
(n.) A black person; person of color
(v.) to act in a manner similar to that of a negro
Yo, did you see that boof who took tom’s wallet yesterday?
We out here boofin’ at the K-mart.
The word "boof" is a word for a vape, this term is mostly used at christ college.
"yo pass the boof g"
A way of saying stupid like the word doofus
You BOOF the hell are you doing.