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A feat achieve by the San Francisco 49ers, Chiacgo Bears, and New England Patriots.
The San Francisco 49ers went 18-1 and won the Super bowl.

The Chicago Bears went 18-1 and won the Super bowl.

The New England Patriots went 18-1 and lost the Super bowl. Sucka!
by Eagles 2011 SB Champs December 15, 2010
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1. The biggest upset in football history (used by patriots fans)

2. The greatest thing to happen to the planet since boobs. (used by everyone else)
1. I can't believe the patriots only got 18-1. That's bullshit!

2. WOO-HOO!!! 18-1, SUCK ON THAT, BRADY!!!
by James Tinman February 04, 2008
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To have everything going in your favor until the last moment. Derived from the 2007-2008 season New England Patriots whose quest for a perfect season was derailed by the New York Giants in the Superbowl XLII.
I had an 18-1 bowling game last night, I was making all those strikes until I made a gutterball at the final round.
by Idiot-Finder2 February 12, 2008
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18-1 is probably one of the most embarrassing records to have in football history. It may be thought that winning 18 games and only losing 1 is a good thing, but when that last game is at the super bowl to a wild card team, it is nothing to brag about.
The patriots went into the super bowl with an 18-0 record. After getting spanked by the giants they went 18-1 and went from "unbeatable" and "perfection" to "embarrassed".
by bLiTcH February 04, 2008
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1.)To come close in an accomplishment only to fail during the last second after coming so far to absolute perfection.

2.)Coined by the 2007 Patriots and their devestating loss during the superbowl against the New York Giants.
1.)Boss: You 18 - 1'ed your promotion oppertunity

2.)Football Fan: The Patriots were going for 19 - 0, but instead made it 18 - 1 due to Tom brady's clutch choke.
by CJDonaghue February 12, 2008
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1. The state of being excessively arrogant or cocky.

2. The act of choking, as in an unexpected loss.

3. The process of karma catching up with a cheater or team of cheaters.
1. Bob was so too 18-1 going into that Tennis match and lost because of it.

2. Timmy was up by 5 points but managed to 18-1 the game away at the end.

3. 18-1 will eventually happen to Barry Bonds.
by FannyFondler February 12, 2008
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The (incorrect) metric conversion of the sexual position, the 69er, heard on a forgotten comedy show in the 90's and perpetuated by those who have repeated the joke and not checked a conversion calculator. 1 inch = 2.54 cm, answer should be 175.26.
Some credence should be given however for the homonym, "one ate one".
They were urgent and ravenous, satisfying each other simultaneously in a 181.
by bollux2 August 31, 2011
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