About those "brief but important" meetings

You've all been there, no matter what kind of organization you work for.

The message comes via the PA, or email or text.

There will be a brief but important meeting of the (fill in the blank) team at 4:15.

Ya right.

My idea of a "brief meeting" is two minutes.

Forty-five minutes later, you'll be wondering what kind of wanker thought this would be a "brief" meeting.

And was it important?

What I'd like to hear just once; "there will be a lengthy but totally inconsequential meeting..."