textbookphilia
A term referring to the phenomenon of students getting sexually aroused to the thought of their textbooks. "Textbookphilia" was coined by a female student at the University of Western Ontario who noticed this occurrence while studying at Allyn & Betty Taylor library.
Person 1: "Why is that boy getting a hard-on while studying his math textbook?"
Person 2: "I think he has a classical case of textbookphilia"
Person 2: "I think he has a classical case of textbookphilia"