1. Basically meaning to do something very quickly or faster than the current speed. 2. To haul ass somewhere. 3.Can also describe how fast an object was going.
1. John: Daryl, you need to hurry up man or we'll be late!
Daryl: Come on man,I still got some stuff to get.
John: Well you better shit it and get it! We don't have time to lose!
3. " Did you see how fast that runner was? That guy was shitting it and getting it!"