POPSUGAR Love Textbook Perverted Math Textbook Some Perv Wrote a Textbook by GiggleSugar 3/06/08 5 Shares Like us on Facebook Sign up for our daily newsletter > What about the angle at which she lifts her heel and rams it into his shin? Thanks, College Humor! Read More TextbookSchool HumorSexy HumorPervertJapanMathHumorSchool Humor Kim Kardashian Memes to Cure Any Bad Day My Friend Rejected a Guy After 1 Date and He Completely Lost His Sh*t The Most Horrible Advice I Have Ever Given My Little Sister We Have Definitive Proof That Malfoy and Hermione Were Doing It POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests. Get Inspired With Our Living Newsletter Personalize Food DIY Vegetarian Love and Sex Home Tech Sign up with facebook or By signing up, I agree to the Terms and to receive emails from POPSUGAR. xChantilly 7 years Um, why is it tagged with "Japan?" The words are in Korean. k-squared 7 years Pythagorean theorem for the perverse, hah.