Noun. Humourless left-winger whose vocabulary is punctuated with Marxist dialectical jargon. From the fictitious character Dave Spart in Private Eye, a British satirical fortnightly.
A sexy nerd artist. Usually a hipster boy who is good looking and possesses just enough nerdy-ness to still retain some kind of cool factor. Probably wears those nerdy non-prescription hipster glasses and beanies. Must be uber skinny and awkward looking, yet is desirable to females. Must have some sort of lame hobby, like video games or computer hacking. Also must posses significant artistic abilities such as drawing, painting, or graphic arts.
Kelly: "Ugh I'm sick of all these douche bag jock guys. I need to find myself a snartist boyfriend!"
One that tries to make it to the stalls, pulls down his pants but never reaches the toilet, and ends up sharting a messy Van Gogh on the bathroom floor.
Tawfiq finished eating at Taco Bell and quickly became a well known shartist.