Warfa is a commonly-used word around the lab.
In part, Warfa stands for “When Applicable Re-Fill Appliance”; that is, if you empty the coffee pot, refill it.
In part, Warfa is the name of a server,
warfa.cs.washington.edu, used to run computationally-intensive jobs.
It runs nightly tests for various projects.
In part, Warfa is a nickname for John Toman born of an awkward bureaucratic mix-up during his Twitter internship.