Top Definition
Its somewhere between free period and philosophy. In other words, IB didn't want you to possibly have a free period for half the year, no way, they wanted to fill in that space with another class with a name equivalent to "bull shit." Sometimes for "fun", teachers assign the reading of Sophies World.
Today in Theory of Knowledge, I BSed an 1,500 word paper about math as a way of knowing in 25 minutes!
by s12 January 18, 2009

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