cuntbox Share definition Flag Unsure - assumed to refer to the chest in which ladies' genitalia are kept. A common phrase given for negative reps on www.oxfordgossip.co.uk You, fellow student of the University of Oxford, are a cuntbox. cuntbox by Piers Gaveston June 21, 2006 0 0 Get merch Get the cuntbox mug. Buy Now — $32.95 See more merch