1. Rhyming slang for 'the Shitter' i.e. the toilet. Used by employees of the Radisson SAS Hotel chain. It is a reference to Swiss national Kurt Ritter, the companys CEO since 1989.
2. Rhyming slang for the anus. Also used by employees of the Radisson SAS chain for the reasons listed above.
1. I need to void my bowels. I'm gonna stop by the Kurt Ritter.
2. I've got a sore arse. My Kurt Ritter is killing me.