Cubing Off Share definition Flag (v.)The act of solving the Rubix Cube in front of others at inappropriate times. Mr. G, our Rubix Cube Club sponsor, was cubing off on the stage in the middle of the award's ceremony. Cubing Off by E-dawg. October 21, 2008 0 0 Get merch Get the Cubing Off mug. Buy Now — $32.95 See more merch