Noun - Refers to a task or
objective, the importance of which is appreciated only by the one doing it (such as the sort of activities kittens engage in with great
enthusiasm).
(Note: The word "kitten" can be substituted with any other noun to cater to a specific situation involving non-kitten entities, for example, "
Important Government Business," "Important Stoner Business," or "Important Jesus Business". Additionally, use of the word "kitten" can be retained for ironic effect even when the object of comment is not a kitten.)
Specific:
Q: "What is Snickers doing with that shoelace?"
A: "
Important Kitten Business!"
Q: "Amigo has been scratching around in the litter box for like, ten minutes now."
A: "He must be doing Important Kitten Business!"
General:
Q: "
What's that police roadblock all about?"
A: "Important police business!"
Q: "What is
Rush Limbaugh yelling about?"
A: "Important kitten business!"