Ollie [ol-lie] as a boys' name (also used less generally as girls' name Ollie) is of Latin origin, and Ollie means olive tree. Ollie is a version of Oliver (Latin). Associated with: tree.
The Takeaway. On average men need 3.7 liters of fluids per day, and women need 2.7 liters. All fluids count, including milk, juice, coffee, tea, and even water-rich foods. Thirst and urine color might be better guidelines for staying hydrated. Weather, activity level, illness, and age can all impact water needs.
Q: How much water should I drink during pregnancy? A: This answer will vary from person to person, but as a general rule, you should get about six to eight 8-ounce glasses of fluids a day (if you're very active or live in a warm climate, you may need to up your intake a bit).