From Longman Business Dictionarybuzz marketingˈbuzz ˌmarketingMARKETING marketing in which a company persuades a small group of people who know a lot about a subject to tell other people about its advantages, in order to make the other people become interested in it and want to buy itBuzz marketing is not new, but Internet technology has changed the way in which companies use it. Buzz campaigns are now being initiated in chat rooms. → marketing