Niggalishious Share definition Flag Something beyond the coolest cool. Something so cool you get chills up your spine. I don't think I can even define this word anymore. Dude Chaos Theory is niggalishious!!! or Dude this Dunkin Dizzlez is niggalishious!!!! Niggalishious by Peiser April 4, 2005 0 0 Get merch Get the Niggalishious mug. Buy Now — $32.95 See more merch