Describing something that is likely to cause vomiting, disgusting, or in Australian slang, anything related to vomiting or drunken sickness.
From 'chunder' plus the suffix '-ous' meaning full of or characterized by. A colloquial adjective formation in Australian English.
This adjective is so Australian that it barely exists outside casual speech—you'll almost never find it in formal writing—yet it perfectly captures how slang words can generate whole families of related words following standard grammar rules.
Complete word intelligence in one call. Free tier — 50 lookups/day.