Something really big, epic, monstrous, violent, or intense. This term comes from the cult classic Supervolcano, a 2005 docudrama about scientists monitoring the Yellowstone Caldera...with disastrous consequences.
"How was that movie?"
"I'd rate it a VEI 8!"

Yo momma's so fat, when she jumps in a pool she triggers a VEI 8 eruption!

Do you still deny the possibility of a VEI 8 supereruption?!
by Bob August 29, 2009
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