Jala Yoga - Autobiography of a Yogi/Chapter 7

He offered me some mangoes. With that good-humored wit that I found so delightful in his grave nature, he remarked, "People in general are more fond of JALA YOGA (union with food) than of DHYANA YOGA (union with God)."

Cooking with Swami Yogananda: Holiday Recipes

Jala Yogi: "Jala Yoga", a term taken from Autobiography of a Yogi means "union with food."

Therefore a Jala yogi is a Yogi who is on the path to union with food.