Possible Clues:

• 'Nothing' and 'aught'?
• *Blubber
• Enjoy calling others by nicknames?
• Nothing treats excess fat
• Waistline bulge
• Fat doll? Heavens, that's unusual!
• Midriff bulges
• Nothing controls flab
• Nothing takes care of excess flab
• Affectionate term for fat at side of back or below the waist