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 9, 2005
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Another way to call attention to something.
"Yo, Lister, scan this new definition on Urban Dictionary!"
by Doc Evil March 12, 2005
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Wearing "slutty" clothing in public. Where any skin is showing through clothes.
Marie: Wow look at that scan scan on her pants
by Appleton February 7, 2017
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The magic word whenever you find yourself stuck in a conversation about something you couldnt give a rats ass about. Just utter the word "scan" and both you and your co-conversationist must cease talking and switch the topic.
Barry: "Have you seen the latest polls? I do believe that the political position on said party is extravagantly...."

Mick: "Scan"

long silence

Barry: "So...Pretty warm today huh?"
by G-Train September 4, 2005
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What you say when you don't know someone's name. Typically used in Western Ireland.
"Hey John! Any craic?" "Howya scan?"
by laksjdjfg October 19, 2018
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When a man is looking for an item generally in an uncrowded space and he quickly glances over the space then declares that he can't find it then calls for a female to locate said item. She then looks behind something and finds said item in plain sight.
John was looking for his phone and on the counter was a candle a cup and Johns phone. John does a man scan and states he can't find it then calls for his wife who finds his phone behind the cup.
by Dsgirl July 23, 2009
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