flippin between myspace and facebook.
I'm spacebooking tonight, playing mafia at both myspace and facebook.
by samiam6977 August 30, 2009
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A combination of the social networking sites MySpace and Facebook where you can avoid having to actually get out of bed to see your flatmates or find out about the lives of people you once knew.

(See also: MyFace)
My ex just added me as a friend on Spacebook.

Yes, I already know you're engaged, it said so on Spacebook!
by eblyatrom February 22, 2007
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The witty nickname for "Eve: Online" social networking site "evegate.com". Because it's facebook. For internet spaceships.
"Did you read your evemail?"
"no... can't be bothered to log in..."
"Fuck that, dude... just check Spacebook!"
by Namyri'el September 26, 2011
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checking or being on myspace and facebook at the same time
guy 1: hey chad, what are you doing?

chad: im spacebooking, i have new comments and new notifications, at the same time!
by Romagic April 1, 2008
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What old people call Facebook or MySpace after a younger, more modern person helps them set up an account on one or both of them.
Bob: You should have a lot of fun on these social networking sites, Grandma! They're called Myspace and Facebook!

one day later...

Grandma: This is as stupid as hell! I don't even know how to log on to Spacebook!!!

Bob: rofl!!!1!!!11 Spacebook? It's either Facebook or Myspace, Grandma. And I showed you everything yesterday, I even wrote it down!

Grandma: to hell with modern-day grandson's! and technology~!
by lilitalian32 July 8, 2009
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someone who consistantly looks at their facebook and myspace all day for entertainment purposes.
What has John been doing this summer?
I'm pretty sure he's a spacebooker and doesn't do much.
by Lou-Money July 31, 2008
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When you are on myspace and facebook at the same time. Which is only used when you have at least 512 mb ram. Otherwise your computer would blow. Users at this point are highly addicted and become edgy if there is a problem with either website.
Brad: Hey waitaaa minute let check up on the spacebook real quick.
Jeff: Nah man you'll blow up my computer
Brad: Come on man quit taxin my gig
by the steezo April 19, 2007
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