noun. An orgasmic, spooky outpouring of ectoplasm and other ishy goo.
Real citation: “Oh, I loved it! I'm totally squicked--ectoplasmgasm in the mouth would require an entire tube of toothpaste--but it was fantastic!”
(Aldalindil, “Livejournal,” http://www.livejournal.com/users/fidelis_haven/686.html?replyto=6830)
Made-up citation: “How many Elizabeth Barrett Browning poems rhyme 'ectoplasmgasm' and 'terrifying spasm'?"