He says: "oops; cover came off, but I don't want to fill the room with microwaves!"
That, actually, might be cool, (entertaining) to watch, and plus the power level might be high enough to play around with (educational).
Cook a dead cow...but that might take 7 minutes. Warm up a HOT TUB ??
I'd try cooking a COUCH, ...if it was me.
For silliness, try 'cooking a microwave oven'.
You could, also try cooking your 'Use Permit', issued by local Fire Marshall.
Speaking of which: at some point you would want a permit, or need a permit, ultimately.
Sneaking is ethical, I hear, if you don't flaunt it.
Not 'getting caught' WAS the new morality.
At present, the ethics could be: "I'm not going to answer that."
Tell THAT to your local Fire Marshall.