back o' beyond

adjective, Australian Informal.
1.
remote; out-of-the-way; isolated.
Idioms and Phrases with back of beyond

back of beyond

Extremely remote. For example, John's about to move to some tiny island, truly back of beyond. This term, used as a humorous exaggeration, relies on the meaning of beyond (or the beyond) as “a distant place, beyond human experience.” [ Early 1800s ]