The study of female mammary glands. Main disciplines of the subject involve observations on suppleness, size, and shape.
Yao: What are you thinking of majoring in?
Joe: Right now I'm thinking sociology, but I hear priscology is a very interesting subject.
Son: Daddy, what exactly is your job?
Dad: Son, I'm a priscologist, I've wanted to be one since I was young. Are you interested in becoming like Daddy?
A very specified branch of Kinesiology, in which the entire focus is only on the movement of the penis and penis related kinetics.
I was disappointed when my university told me they do not offer a degree in penisiology, as I felt that was a very under-represented scientific branch of study.