Told You So!

Amou Haji, was a 94 year old Iranian hermit who had been dubbed by media as "the world's dirtiest man,"  

Worlds Dirtiest Man?

..... after he had refused to use soap and water (or even just water), for more than half a century, fearing it would make him sick.

Cleanliness Is Next to Godliness

Now when I was younger, and in fact now, when I come to think on it  ... 'Carry on Up the Khyber', or indeed any mention of 'The Khyber Pass', had double entendre connotations. So when film or book character said that he or someone 'copped it up the Khyber', I would, and still do, grin.

Carry On Up The Khyber ... Good For A Laugh