Top Definition
( AP Bio class for example)
Teacher: "And so the mitochondria...blah blah blah etc"
Confused student: (smashes face on desk) "Ahhh what is this bullfuckery. It makes no sense >.<"

or something such as...

(rainbow unicorn flies across the sky and eats rainbows and poops butterflies and brings you cookies)
Person: just

or perhaps...
Student A: "oh crap, i forgot to do my homework"
Student B: "way to go"
Student A: "yeah...ill just write down some bullfuckery"
by mufasa4tehwin January 18, 2012

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