whilst having sex with a guy/girl, just as your about to climax, smack your partner in the face with a book. this will give a sudden rush of sexual stimulation to both partners.
A sexual act in which the "Librarian" puts their hands in a prayer position before inserting them into an orifice and opening their hands out, forming a book shape.
Guy 1: I took this girl home last night, and it all got weird when she asked me to do the Librarian.