These aren't CH9, but I have heard a few funny ones before. Once I was in Phoenix about to fly a jet back from an airshow. I heard someone getting "cleared unrestricted climb to FL600." I was wondering what the heck was going on since no one flies that high when a U2 taxied by.
I once heard a flight of 4 check in on our frequency, "Spud check, one potato, two potato, three potato, four. Denver Center, Spud 11 flight checking in level 210"
I once heard an air traffic controller instructing a student in a restricted area doing aerobatics, "Ratch 21, work West. You are about to spill out of your area." "Ratch 21, say heading" .... long pause here ... reply from student "uhhhhhh.... up"