Male or female totty whose poshness is an essential part of the appeal e.g. well educated; mellifluous voice; charming classy manners; sophisticated conversation; expensive clothes; trendy address, etc.
"I've always been a push over for a bit of posh totty and couldn't resist the charms of Sebastian, the concert pianist. That silky voice and those smooth hands had my nether regions all a quiver in moments!"
by Witch of the West September 24, 2007