Ritual affirmation frequently uttered during protracted debugging sessions involving numerous small obstacles (e.g. attempts to bring up a UUCP connection). For the proper effect, this must be uttered in a fruity imitation of Bullwinkle J. Moose.
Also heard: "Hey, Rocky! Watch me pull a rabbit out of my hat!" The canonical response is, of course, "But that trick *never* works!"
See hacker humour.