Bathficient
Being productive\\efficient in the bath, similar to pooductive but in a different context. Waterproof cases may be required for this if using electronic devices - such as toasters. Reading medical journals not recommended due to heaviness and difficulty in keeping above water. Could also describe the act of washing oneself efficiently in the bath.
I was very bathficient today, I replied to all my emails, soaked and was dry within 5 minutes. No pruniness.