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A game where you get a bunch of friends, dress up in expensive business suits, and head out to a shitty bar.
Once there, you act like you are extremely wealthy and important while everybody at the bar wonders who the fuck you all are and why you're at their shitty bar.
Chuck: "Hey, call the crew, we're gonna go Boiler Rooming tonight."

Dave: "Awwww yeahhhhhh..."
by Hank McDizzleson July 04, 2008