A guy or gal that uncomfortably invites themselves into your personal air space, especially on a first date.
Friend - "How was the date?"
Me - "Horrible; at dinner, he sat, like, two inches away instead of across from me. Ick - what a space invader!"
by Kim K January 16, 2006
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Hey, did ya hear they cancelled Invader Zim just because Jhonen Vasquez wanted to start a Writer's union, evne though the show is immensely popular?
by DUN-DUN-DUN! October 18, 2003
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A Nickelodeon show that was once interesting but was ruined by crappy little girls that get their parents to buy them shit at Hot Topic and run around in GIR T-shirts and talking about how much they love the show, which they've never seen, and how cool this makes them.
"Oh, I love GIR so much! No, I wasn't alive when the series came out and I don't actually know the plotline, but liking Invader Zim makes me cool and scene!"
by Miles Edgeworth August 5, 2008
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1. a phrase used to describe anyone who invades
2. a prase that comes to mind whenever Andrew's twin (Jake Stacey) is mentioned
1. Bernie Kosar be invading my penis!
2. Hey andrew! look its your twin! (inside minds of people) he be invading
by Dave Farley April 5, 2005
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A classic arcade game where you pilot a spaceship, at the bottom of the screen, shooting aliens that fly from a formation above you and dodging their own projectiles. I can't believe no one has tried to define this term yet.
(Example is from The Simpsons):

Willy: It's impossible for me to fire a pistol. If you'll check me medical records, you'll see I have a cripplin' arthritis in me index fingerrrs. Look at 'em! holds them up I got it from "Space Invaders" in 1977.

Wiggum: Aw, yeah. That was a pretty addictive video game.

Willy: surprised Video game?
by Dark Laith December 6, 2004
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The only cartoon ever made that didn't absolutly suck.
Nice work Nick. The minute you cancelled Invader Zim aws the minute you bagan your slow, hopfully painful, agonizing, terrible, haunting, decent.

I can't wait for that wonderful day when I am Looking for something to watch. I turn to Nick and see taht justice was servered and there is another channel taking up the place where Nickalodion used to be. Then i will turn to the news and see a story proclaiming that Nick Studios has burned to the ground.

You deserve it
by Simply a fan of zim February 22, 2005
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