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.
HOW MUCH WATER SHOULD I DRINK EVERY DAY? The National Academy of Sciences recommends drinking about 11 cups of water per day for women and 16 cups a day for men.[3] But this number can vary based on lifestyle, body size, and other factors. If you're active, you'll need to increase your daily water intake.