Top Definition
1. Vagina post-birth supposing the woman gave birth naturally.

2. Doomsday animal. The animal survives underground and resurfaces after the fallout increasing its size ten-fold.
After she had the baby it was hard to get near her armageddon beaver.

The only thing that could possibly survive a nuclear attack are cockaroaches and armageddon beavers.
by dcorpse February 02, 2010

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