Possible Clues:

• Blubber over half of visitors arriving after one is weary
• Shivering fit, ague, causing weariness
• Weary of large portions of piggy used regularly
• Wash out most of military clothing
• Right out of shape having scoffed at task
• What an Ironman has to battle
• Overweight guide lost, out of depth and weary
• Tiredness may lead to failure under stress
• Exhaustion destiny brought about initially in 50% of men?
• Tire of guitar not entirely cast in iron