Female coworker who cannot be criticized because other men worship her ass. Because of the virtues of her ass she is able to do whatever she wants and is quickly promoted through the ranks. Employees who cross her, even if they are originally of a higher rank, will soon find themselves unemployed.
"She never does anything, just goes to the back and talks about music with the boss." -- Employee One
"Yeah, she's a Golden Ass." -- Employee Two
Having one means you are extraordinarily lucky.
The bullet missed him by an inch. The sergeant cursed his luck, saying " You have a golden ass, dickhead."