Possible Clues:

• Barely gets wet?
• Is unsuited to go swimming, but does so anyway?
• *Splashes around au naturel
• Strip for these gaunt ducks
• Largely fat-free sauces: no dressing for us!
• Fat-free hummus and salsa for those raw types taking the plunge
• In the main, reveals all the low-fat party food?
• Hops around pub yard and barely gets wet?
• Swims sans clothes
• Goes swimming without clothes