1 definition by Inverness Fats

A naive, sad sack motherfucker unware of the meanings of common slang phrases and lacking in general common sense. Also, a guy in the lab who really wants to fuck Linsey but in all reality lacks game to get laid even if he was crawling up a chickens ass.
"Did you hear that Blackshaft wants to climax on Linsey?"
by Inverness Fats January 2, 2008
Get the blackshaft mug.