1. The science, practice and art of penis measuring.
2. The collection of measurements that can be used to measure the male sex organ, including flaccid length, flaccid girth, flaccid volume, erect length, erect length, erect volume, turgidity, angle of inclination, circumcision status, MTBO (mean time before orgasm) and vein quotient.
Did you see the size of that guys earlobes? His schlongometry must be off the chart!