Used on the East Coast of the U.S. to mean 100% Pure uncut caffeine powder. Commonly snorted, but can also be taken orally. Users should not take more than 1g/35 lbs of body mass.
Stranger 1: Dude, those caffeine pills did nothing for me
Stranger2: Try snorting a gram of schneef and get back to me
When one partakes in the act of inhaling cocaine through the nostril. The "hoover" section of the saying comes from the vacuum brand, while schneef is a variation on the word sniff or to sniff. "Schneef" is slang for cocaine.
I'm so drunk, someone needs to rack up so I can hoover some schneef right now.
I'm surprised we're not hoovering some schneef right now!