The rage over the Knicks' starting point guard Jeremy Lin who spontaneously stunned the world with his amazing underdog story. He's become an icon for people everywhere, and is drawing widespread attention over the racial boundaries surrounding him and his astounding playing skill. Is one of the more popular "lin-" terms created by the media. Others include "lincredible" or "linning".
Did you see that Knicks-Lakers game? It really gave me some Linsanity.

I'm really gettin' some Linsanity watching Jeremy play.
by embeab February 21, 2012
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1. the state of mind of Jeremy Lin fans when he steps on the court. and off the court. this highly contagious phenomenon has led to a series of wins by the Knicks, an increased basketball fandom among the Asians, and the creation of other words with 'lin'

2. basically anything that Jeremy Lin does because he's amazing.
The linsanity spread across the court like a forest fire, linfusing the players with lincomparable lintensity to win the game, and linfusing linthusiasm among the linsatiable audience.
by prplpianotie February 15, 2012
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referring to the breakout season that Jeremy Lin had, people start using "Lin" for every word that starts with "in", including winning to "linning."
It's linsanity how Jeremy Lin has more clutch than LeBron.
by Mattstah February 15, 2012
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When a seemingly average, unspectacular person suddenly erupts with success and develops a ridiculous cult-like following.
Rick: You gotta check out sportscenter. This guy who was cut by his old team just ripped off 20 points and 10 assists 4 games in a row! They say he's the best pg in the league!

Tom: How are you already wearing a t-shirt with that guy's face on it?

Rick: Apparently his tears can even cure cancer!!

Tom: Sounds like linsanity to me...
by da1n February 19, 2012
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the proverbial hype over an asian point guard in the NBA.
"Whoa did you see that linsanity moment the other night?!"
"Yah can't believe he's ASIAN!"
by Jeffy_912 March 6, 2012
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Hype or excitement towards up-and-coming Jeremy Lin of the New York Knicks. Often said after an outstanding athletic performance, usually in basketball.
Dave: Did you see the Knicks game last night? Jeremy Lin dropped 25 points!

Rick: Totally dude, it was Linsanity!
by Haywood Jiblomy March 1, 2012
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Linsanity is a pun on Jeremy Lin's (NBA player) name that describes the excitement surrounding Jeremy Lin and his high scoring breakout performance with the new york knicks in February 2012.
Jeremy Lin is the Tebow of basketball...

... Linsanity
by WACrown February 18, 2012
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