The word "geek" can mean lots of things.
Intelligence. Ingenuity. Creativity. A cultured mind that can recall references no one else can.
And no one owns Halloween like they do.
The opportunities for geeky costumes are boundless, and they always, ALWAYS manage to come up with ideas most others could never dream of.
We took a long look at some of the geekiest costumes on the Internet. They ran the gamut from comic book and movie characters to popular TV shows, and even famous artists.
Here are 19 of the geekiest Halloween costumes you can wear in 2015:
Kylo Ren from "Star Wars: The Force Awakens"
Captain Phasma from "Star Wars: The Force Awakens"
Joker Ronald McDonald
Andy Warhol's Campbell's Soup Can
Master Chief from "Halo"
The Doctor from "Doctor Who"
Dalek from "Doctor Who"
Sadness from "Inside Out"
Bing Bong from "Inside Out"
Imperator Furiosa from "Mad Max: Fury Road"
Nux from "Mad Max: Fury Road"
Star-Lord from "Guardians of the Galaxy"