One who enjoys smelling farts, either self-flatulated or those originated from another man or animal. Fart huffing typically involves a series of deep and aggressive inhalation cycles, sometimes aided by a cupping motion of the palm, fanning the fart from the asshole to the nose.
I was amazed to see Jimmy huffing his dog's silent farts. He huffed as if posessed, and it made me sick to my stomach. I guess Jimmy is a real fart huffer.
Someone who is addicted to inhalants. Usually involves a rag soaked with some dangerous chemical and placed in a paper bag to be inhaled. Spray paint is commonly used. Metallic spray paint gives the best results.