Possible Clues:

• Wash all over
• Immerse oneself
• Lave
• Surround
• Tub it up
• Wash in a tub
• Immerse (in)
• Have a good soak
• Give stick to ambassador and find oneself in hot water?
• 'Heavenly glory seemed to -- her from head to foot' (Kingsley, Hypatia)