-Having your brain fucked by a jet engine
-Standing under the space shuttle for 15 minutes during takeoff
-Riding a missle, Dr. Strangelove style, home from a rave
-Being drug about via 747/chest harness
-Being trapped in a reverse sensory-deprivation chamber
-Only bad things happen at volumes this loud. Like the Santa Monica Civic Auditorium collapsing.
Check out this article for a good representation. It really was a strange, unbelieveable experience. And I don’t say that hippy shit often.