Acronym. Old Dirty Back Road. Ole Dirt Back Road.
1. Commonly a country road mostly driven on to smoke blunts.
2. A road taken just to have sex on.
Lee: "What'd you do last night?"
Steve: "Nothing much, got throwed and kicked some ODBR's."
Lee: "What'd you do last night?"
Steve: "Took Heather down a ODBR and dicked her down."