Equivalent to having a dream where you do something really awful, something unforgivable, like killing all the kitties. But then you wake up and you have that pure joyous relief. Imagine that, happening to your genitals, over and over for hours on end.
Dude, she came over and gave me a shakini last night.
A shakini. It feels like you murdered an entire race, only to realize it was all a dream. But on your balls, man.