1 definition by KillerKore13

Top Definition
A person(usually a teenager) who rarely sees the light of day and spends his time playing videogames ranging from: Modern Warfare 2 to World of Warcraft.
Me: Dude, I was enjoying a casual game of Modern Warfare 2 when this 10th Prestige dropped into my game and fucked everyone up.
Friend: What a fuckin Basement Ninja.
by KillerKore13 December 12, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×