A term used to casually describe fanfiction about Lord Voldemort from the Harry Potter books as a teenager/Hogwarts graduate. It is a portmanteaux of his real name 'Tom' and crafted name 'Voldemort'.
"Omg, I love Tomdemort. He is so evil and sexy in this fanfic I am reading."
Lumione is a non-canon ship in the Harry Potterfandom. It is a portmanteaux of Lucius/Hermione, pairing Lucius Malfoy with Hermione Granger. The fanfiction is often smutty and excellent.
"I read this Lumione fic where Narcissa died from a bad case of Dragon Pox."