Someone who looks up the pages of under-18s on Wikipedia.
If you look up Ramona Marquez or Chloe Moretz on Wikipedia before they turn 18, you're a Wikipaedophile.
A person who writes on wikipedia a lot.
He is a complete wikipaedophile.
The infinitive form of the verb to search for information using the website www.wikipedia.org
I can wikipaedophile that for you.