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.
Everyoneâs heard the old refrain â drink eight 8-ounce glasses of water a day. Turns out thatâs not entirely accurate. The Mayo Clinic recommends about 13 cups a day for an average male and about nine cups a day for the average female. But the actual amount of water a person should drink in a day can vary based on where you live, how much you weigh, and what kind of lifestyle you lead.