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When the evil creature, Bocko is summoned and puts an end to the world via his death bite and his fire breath that he shoots with surgical precision. He is quite similar to a three-headed dragon.

Also see: Bock
Saying the phrase "Bocks of three, people flee" and then shedding the blood of an Irishmen will summon the Bock and the a-bockalypse will occur.
by Bert McChickenDink October 09, 2004
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