Blurpt:
1. When the cops hit the sirens.
2. When you get in trouble with an authority figure.

_props to Hyphy from the hip hop forums.com_

this is the previous definition:

The act of simultaneously burping and vomiting - usually projectile style

which is not very hip hop to do while driving your ride.

When you eat dirt for the first time and leave your family to build a shack in the woods