Your Best Exam Stories?

KevlarGorilla asks: "I'm sure Slashdot users have done their fair share of university exams. A good portion may be going through the process right now. Many tales have been floating around the internet about cheating (successful and not), cram stories, and tales of post-test celebration, most often in the testing room itself. Recall any first-hand experiences and write them down in a few short paragraphs. If you've been waiting to clear your conscience, or share your experiences, now is the time."