"RUD" for short. In high-power hobby rocketry, an unforeseen event usually attributed to an exploding rocket motor that send pieces of the rocket in every direction, quickly.
That rocketjust suffered a "Rapid Unscheduled Disassembly"... DUCK
When you could stay or you could go; either way is fine.
Bob was unseated at his job on his current team; he was listening with moderate interest to pitches from other teams' managers, but he still found his current work kind of interesting.
Tim was unseated in his relationship with Mary; he was 'married but looking'.