Person on Wikipedia who gets off on killing well-written articles of others. Subscribes to a ridiculously strict, yet abstract standard for what is and isn't "encyclopedic." Probably molests children in spare time.
There are many examples of Wikinazis: Lee Hunter, RickK, Ambi, just to name a few.
A person who has a strong hatred for wikipedia and takes extream mesures to vandalise it, using multiple acounts, ip adresses, and proxy servers to do so.
Wikinerd cries to himself, "why wont you wikinazis just leave my article on zoo planktin alone? Why? Why are you doing this to me god? why?"