name, slang ·Uncommon ·College level

Definitions

Proper Noun

1. 1
   Australia. informal
2. 2
   The supposed state of mind of someone whose sense of reality is the converse of the truth, or whose actions seem to imply as such. informal

Synonyms

All synonyms

australia

Etymology

From upside down + -land.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.