Used to describe something as cheap, badly-made/built, or slightly teethering on the dangerous/illegal side.
Also refers to thing from a First Nations reservation.
2. "I have such a rez bike. I made it out of scrap metal i found in the dumpster."
3. "That's a frickin rez bus. There's like, twenty guys in there and only six seats."
"She's a rez" (ie.: she's fu*ed up in a good way)