Fuck You, I'm Vested.
A state of mind reached when an employee has been at a company long enough that all of their stock options have become exercisable. The person is now wealthy enough to not care about making an effort or, more importantly, helping junior employees with problems that require their skills or help.
Also FYIFV, or Fuck You, I'm Fully Vested.
What the fuck! I send this guy thirty emails and after two days I only get one-word reply? What's his problem?
Let's see... yep, he's been here for 5 years, so he basically replied with FYIV.