I'm a big fan of injecting some fun into meetings, but I'm not sure about this idea (from the Macon Telegraph):
Another time, his workers had to explain to spouses why they were drenched in water.
Blame it on White's unpredictable meetings at WhiteSpace Creative, a marketing firm in Akron.
As the firm's president, White buys into a new philosophy that says breaking the ice and keeping employees engaged is paramount to accomplishing goals during a meeting...Then, at a brainstorming meeting, White's employees wielded Super Soakers. The ground rules for workers: If you shoot down a co-worker's idea, you get, well, shot down.
"Anybody who has a negative comment gets blasted," White said.
But has anyone pulled the trigger at the boss?
"Oh, yeah," he said.