To drive fast in a vehicle or to push it's limits. Commonly used in back country or rural areas. Can also be used in the form "Haussing".
Tom: Yeah Bill!! Hauss that shit! Don't worry you'll be fine!
Jon: Did you hear about Bill?
Tom: No, what about him?
Jon: Well he was haussing his 'Yota up the hillyesterday and he rolled it. Beat himself up real bad.
Tom: Shhhiiiiiiit.
Another word used to describe something or someone as being "hot" (not sexy), or cool, or nice, or sweet. The word evokes nostalgia and that is where it gets it's unique power meaning.