The act of Brainstorming (politically correct version - Thought shower)within an alcohol-fuelled environment such as a pub or wine bar if you are a fancy Dan.
Let's head down the pub for a beerstorming session to iron out the details, what are you drinking Sammy B?
Beerstorming is believed to be responsible for the creation of: the light bulb, written language, International Beer Day, most 16th-19th century classical music, and the wheel.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.