I read on MacCentral this morning about the pPod. This little addition to the iPod gives an audible and visual guide to London Toilets. It gives reviews of the facilities (both written in the iPod note system and by auditory review in the form of MP3). It also plays several different tunes for your "toilet time" entertainment.
Immediately I thought of Peek A Boo by Souixsie & The Banshees
The chorus line from the song is:
Peeeeeeeeeeeeeeeeeeee eek a Boo