Slang / Lad's talk: A combination of two words, 'classy' and 'slut', to create a posh but 'up for it' girl. Generally considered complimentary.
Physically: Lucy Pinder
In a conversation:
Boy1 - "Did you see that hot posh girl in the club earlier!? She was all over me!"
Boy2- "Hell yeah i did! She was clutsy! Well done!"
