Possible Clues:

• Perhaps one is inclined to have more to spare
• Thinner
• Horseshoes one-pointer
• Not so stout
• That's inclined to be even more thin
• Perhaps one that's inclined to have lost weight
• If want to lose weight, go to Pisa for it
• Less corpulent
• Novice losing heart is less productive
• Something not self-standing that's reduced by some pounds?