This qualitative study reviewed the concept of Mat Rempit. This study used two methods of interviews. Firstly, individual interviews were conducted with 16 individuals who were from a school in Semenyih, Selangor and they had been involved in rempit activities. Secondly,focus group interviews were conducted involving three groups of individuals who were charged under Section 42 for driving recklessly their motorcycles in Penang, Johor Baharu and Kuala Lumpur. The main results of interviews indicate that rempit can be defined as any activity involving a motorcycle racing team of at least two people Generally, the race comprised various actions such as doing a sprint, or a lap and also stunts (such as, a wheelie or wheekang). In addition, there is ramping of engines of molorcycles and creating excessively loud sounds as well as shouting and showing hand signals. A Mat Rempit is a person involved in these activities. Other related findings and implications are also discussed.