Necromemephiliac
Someone who loves dead memes to an abnormal extent. Not to be confused with a normie who does not understand the life span of a meme, a necromemephiliac is only interested in memes that have been dead for a considerable amount of time.
“Oh yeah Josh is a Necromemephiliac he can’t stop saying deez nuts, it’s been three years, he needs to let it go.”