what is a bump douche?

I know Douche is french for Shower, but a bump douche?
A shower with a lump in it?
Don`t remember sending you one of those, are you sure it wasn`t a present from James Ruskin for all your hard work getting him where he is today?

http://www.kompaktkiste.de/cd/tresor/tresor233cdp.jpg
http://www.youtube.com/watch?v=seits3HV7mc