from The Century Dictionary and Cyclopedia
- n. Same as ball, 9.
- n. A kind of round oak-gall, produced by some cynipid, and containing tannin enough to be used in making a poor quality of ink.
Sorry, no etymologies found.
I don't exactly know what the hiring practices at Patrol One are but from my own personal experience I'd have to guess that full-time employment requires a fourth grade education and the ability to use a ink-ball pen.