Generic name for a towny. The combination of all the ridiculous nicknames used by council estate thugs and lowly drug dealers. Typical real names would usually end in the addtion of 'head' e.g. Tin-head
'Check out that Swevo in his shell-suit'
'I got stiffed over a teenth by this total Swevo'
'I was out with Bazza, Brasso and Swevo last night'