1. An Australian Airline that has had about 50 planes crash and/or malfunction in the last week.
2. Something unreliable, dodgy or given to malfunctioning.
3. Something destined to fail/break/crash/etc.
1. Are you flying Qantas? haha. Good luck, man. You'll need it!
2. UGH! This plasma screen is qantas!
3. My marriage is qantas :(