Titologist
A person, usually with a masters degree in Titology, whose passion and dedication for female breasts is unparalleled. Usually practiced as a hobby as the amount of high paying Titologist jobs are often few and far in between. :)
My best friend is a school teacher by day and an avid Titologist by night. He's often seeking out the best photos of boobs and sharing with his friends and family. These photos often bring smiles to the recipients and brighten otherwise average or gloomy days. They make great days even better!