1. To go to the ends of your turf and represent yourself there and show that you still have firm control of the area.
2. Just to say that you are going somwhere away from your home/hometown.
1. "Maytee, you gunna rep your ends down Luton wiv me? Mandem got serious competition from wasteman movin in on our territory"
2. "I is gunna rep my ends down St. Albans today, need to get bare new clothes."