Not a pilot, but they were probably referring to this:
http://skyvector.com/files/tpp/1209/pdf/00058QUABN.PDF
http://skyvector.com/files/tpp/1209/pdf/00058QUABN.PDF
quote:
I never got an IFR ticket, but I'm fairly sure that QUABN is the name of a waypoint, a lat/long spot that aircraft navigate to/from.