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5.
A futuristic slang word used in the Otherland book series, written by Tad Williams. It is used in a similar way to suck, and is possibly an abbreviation of scandalous. However, scan can mean anything from tease to creep out.
You really scan.

This homework assignment scans so bad.

This haunted house is too scanny for me.

He's been scanning since he was born.

Bob is the ultimate scan master.
by Bloopy April 09, 2005
 
1.
Backstabbin or doin somethin scandalous
"Man that bitch fucked the homeboy that was hella scan"

"Old dude at the arab store ripped me off hella scan"
by Mr Nice Guy1987 August 07, 2009
 
2.
term of endearment, usually between two male friends. W.Ireland, possible Gaelic origin.
John: Alright scan, any craic?
Joe: Hello John, how are you? I like your t-shirt.
by Sweats O'Harrigan March 27, 2007
 
3.
short for scandalous
when someone acts shady and liein and shit
"she said she couldnt hang out when i just saw the bitch with her people"
"shes fucking scan"
by ghajkbgjk December 02, 2009
 
4.
Verb.

To observe, peruse, check out.
"Wow! Scan that hot babe over there!"
by Doc Evil July 25, 2003
 
6.
The electronic copy of original manga, manhwa, or manhua that is about to go though scanlation

sometimes used as shortened form of the word scanlation
Can i get a raw scan of naruto before it's released?

Look at this site, they have awesome scans.
by Hespia Klarerin December 04, 2010
 
7.
1) To make sense.
2) To agree with all the available evidence.
"The dealer and the kid go to Bankcroft's place. Scare him into telling where the dope is, and then kill him. Then the dealer kill's the kid."
"That doesn't scan why kill the kid ?"

I first noticed it in the Tv show bones Episode entitled "The Man in the Mansion", first aired February 14, 2007.
by Arkaxow April 01, 2007