Situation: Civilian LearJet under military contract of some sort is taxiing for departure
ATC: "Lear XXX, say direction of flight?"
NXXX: "That's Classified"
pause
ATC: "Lear XXX, expect a delay.."
NXXX: "Umm, how long?"
ATC: "Depature says that's classified..."
Female controller on busy weekend:
"Y'all pretend we're married and shutup and let me talk"