rocketpack
A method of travel that involves a jet propulsion system which is affixed to your body, usually as a back-pack like fixture, which can be controlled by the wearer for high speed, highly manuverable, and very efficient (albeit somewhat dangerous) travel.
It's the ONLY way to travel!
It's the ONLY way to travel!
I'm taking the rocketpack out to get some beer, be back in about 21 seconds!