The act of having an orgasm when in the prescence of something so amazingly angsty it leaves you breathless. When the prescence of darkness is so great it brings great pleasure.
Anna:"Hey, anybody seen Rachel?"
Jenna:" She just saw The Last Kiss. She had a darkgasm and is cleaning up."
Anna:"ewww."
Jenna:" She just saw The Last Kiss. She had a darkgasm and is cleaning up."
Anna:"ewww."
by C.M.M June 17, 2010
Get the Darkgasmmug.