bumsexor Share definition Flag Surname of the British pop singer, Sophie Ellis Bumsexor. Also spelled 'Bumsexx0r' if j00 r 31337. "Good evening, I'm Jonathan Woss and my fiwst guest tonight is Sophie Ellis Bumsexor, who is here to talk about how fur is evil or something. But first, I'm going to have a wank." bumsexor by metalangel March 27, 2008 Get the bumsexor mug.