Top Definition
Someone who obseses over Rubiks cubes or any of its varients including 4x4x4, 5x5x5, V cube 6, V cube 7, Megaminxs, Gigaminxs, etc.
Kaelan "I am such a cube nut"
Kira "I can tell, you solved that megaminx in two minutes"
by kevansevans February 24, 2011

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