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 hill yesterday and he rolled it. Beat himself up real bad.