cum paper Share definition Flag The notebook paper used to wipe the cum from one's penis after noticing that they have no toilet paper. "Ew Rob, what's that balled up sticky paper on your desk?" "Oh, that's just my cum paper." cum paper by Master Baiter 2000 April 21, 2014 0 0 Get merch Get the cum paper mug. Buy Now — $32.95 See more merch