Related Clues:

• Singular bigwig who may look down on those deemed inferior?
• One suffering delusions of grandeur
• Selective socializer, perhaps
• Posturing type
• Stereotypical "Dahling!" speaker
• Self-styled superior
• 11-Down sort
• Head of Society and VIP who looks down on the lesser orders?
• Slangy 21-Across
• Brogan's losing rag with the one who thinks he's a cut above the rest
• Elitist, informally
• Supercilious person
• Elitist sort
• Schnoz or honker
• Highbrow, perhaps