"What a blessing to be born with such Sloaney arrogance. Perpetua could be the size of a Renault Espace and not give it a thought."
Perpetua from the back
Creative Commons AttributionPerpetua from the back - Credit: Danny McL

Sloane Square
Creative Commons Attribution Share AlikeSloane Square - Credit: Fin Fahey
 "Sloaney" comes from Sloane Ranger, a 1980s term for a particular breed of young upper class person with large amounts of money and confidence, and the desire to show off both.  A silly name was typical, particular amongst the female of the species.

The term derives from Sloane Square in London, a favourite haunt for the type.  It was popularised by The Official Sloane Ranger Handbook (1982) by Peter York.