One who is adept at smartitistics, or exhibits general smartitude. Can usually be distinguished by the use of big words, mad math skills, and typically some geeky association like physics clubs, chess clubs, or Nobel Laureates.
Guy: Hey Linus, let's go boozin!
Linus (the smartitician): Whilst an evening of inebriated debauchery and possible altercations over ambrosial brews might prove gladdening, I must season myself tonight for the chess championship this weekend then complete my dissertation proving String Theory.
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.