Top Definition
A game that you are forced to play while studying at Copenhagen Business School.

Takes place whenever you're in the need of toilet facilities and are
a) entering a booth or
b) raising a toilet seat cover.

You loose in CBS-roulette if the toilet is blocked and full of yuk.

The chances for loosing in CBS-roulette are usually lower in the morning, and increases for every opening hour. In extreme cases the odds for loosing are close to 9/10.
A: Hey girl. You'll keep the table for us, while I'm getting some lunch?
B: Agh. Fuck it. You can have my lunch bag. I was suppose to take a quick wee before I met you, but lost CBS-roulette 7 times, and now I'm too disgraced to eat my lunch.
by Student for better toilets May 26, 2011

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