bl4qu3 Share definition Flag Internet slang for black, used as an adjective, pronounced as "Blahhh". 1. "Doom 3 is so bl4qu3!" 2. "Gahdamn look at that guy, he's so bl4qu3." bl4qu3 by Gearbox December 24, 2004 0 0 Get merch Get the bl4qu3 mug. Buy Now — $32.95 See more merch