(1)A person with a large phallus; the phallus in question resembling a cucumber in terms of size and width.
(2) The crotch of the British actor Benedict Cumberbatch. Often discussed on tumblr.
(1) Did you see her boyfriend? That man has a Cumbercrotch!
(2) 'Did you see those jeans Benedict Cumberbatch was wearing?' 'How could I not? It was a great view of the Cumbercrotch!'