Gitomer Defined (git-o-mer) n. 1. a creative, on-the-edge, writer and speaker whose expertise on sales, customer loyalty, and personal development is world renowned. 2. known for presentations, seminars and keynote addresses that are funny, insightful, and in your face. 3. real world. 4. off the wall. 5. on the money. 6. gives audiences information they can take out in the street one minute after the seminar is over and turn it into money. See also: salesman. AUTHOR. Jeffrey Gitomer is the author of The New York Times best sellers The Sales Bible, The Little Red Book of Selling, The Little Black Book of Connections, and The Little Gold Book of YES! Attitude. All of his books have been number one best sellers on Amazon.com, including Customer Satisfaction is Worthless, Customer Loyalty is Priceless, The Little Red Book of Sales Answers, The Little Green Book of Getting Your Way, The Little Platinum Book of Cha-Ching!, The Little Teal Book of Trust, Social BOOM!, and The Little Book of Leadership, and 21.5 Unbreakable Laws of Selling. Jeffrey’s books have appeared on best-seller lists more than 850 times and have sold millions of copies worldwide.