Possible Clues:

• A backward idiot is never a good mixer
• Remote area making idiot flip
• Indifferent article written by retired clown
• A dessert brought back is cold
• A backward buffoon of unsociable nature
• Uninvolved, distant
• Cooly detached
• Cold, shortening a sponge
• Displaying supercilious reserve
• Reserved for a rising jester