rubi-nerd Share definition Flag someone who has memorized rubix notation and/or can solve a rubix cube while also completing other tasks My boyfriend is such a rubi-nerd. He can make out and solve a rubix cube at the same FREAKING time. rubi-nerd by Lacey Meagan March 12, 2007 0 0 Get merch Get the rubi-nerd mug. Buy Now — $32.95 See more merch