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1.
The explosive and electrifying release of tension when lightning strikes the atmosphere and the supercharged, superheated air is reduced to quivering plasma.
Lightning is just nature's way of having an orplasm.

Hey, bro, were you caught in that electrical storm last night?
Yeah, bro, and it was probably the best orplasm of my life!
by yo-yo-ma October 11, 2010
 
2.
When you pee and it feels really good
(plassen - peeing in dutch)
Dude, I just had an orplasm!
by Dj-im September 15, 2011