'Wiltil' is a word referring to someone who, generally speaking, licks anus and acts like a retard. It has its origins in ancient Germanic mythology, deriving from the early Dutch verb 'wiltillen' meaning 'to be retarded' or 'to enjoy rimming anus'. In ancient Dutch mythology, a mythical creature called the 'Wiltil' was rumoured to stampede across the country in a retarded rage, killing gerbils in its wake.
That girl from Kent is a right Wiltil.
That Wiltil killed her gerbil.