I always thought 'Kudla' (Adelaide Metro) rather cute. The one to beat them all though really has to be 'Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch' Meaning 'St Mary's church in the hollow of the white hazel near a rapid whirlpool, and the Church of St. Tysilio near the red cave' (Its in Angelsea, UK)