P.S. What is a physical quarter? 1. Larger than a nickel, smaller than a 50 cent piece. 2. The top or bottom one-half (or left or right side) of one out of a set of hooters. 3. One in which more than one player is carried off the field on a stretcher. 4. The first 15 minutes of a one-hour porn flick. This ought to get you started....