1. blue jets
2. atmospheric electricity, jet
3. jet plane, jet-propelled plane, airplane, aeroplane, plane, jet
4. squirt, spurt, spirt, discharge, outpouring, run, jet
5. lignite, brown coal, wood coal, K
6. jet, super acid, special K, honey oil, green, cat valium, super C, ketamine, ketamine hydrochloride, Ketalar, fountain
6. jet, flow, flowing