Definitions by leddyhasdapeppy

cumberbum 

The bum of one Benedict Cumberbatch.
Term also used to refer to the whole of Cumberbatch.

Girl #1: "Why are you looking at porn?"
Girl #2: "What, no, that's just Cumberbum."

cumberbum by leddyhasdapeppy January 10, 2012