anti-directionalist Share definition Flag A person who doesn't see the sense or importance in using automobile direction signals. Man, I didn't expect that guy to slow down and make that turn. Anti-directionalist swine! anti-directionalist by Slo Joe Jizz August 24, 2010 0 0 Get merch Get the anti-directionalist mug. Buy Now — $32.95 See more merch