According to an interview Stephen Colbert gave on 60 minutes, he defined it this way:

"Truthiness is what you want the facts to be, as opposed to what the facts are. What feels like the right answer, as opposed to what reality will support."
On "The Word" Colbert's example of Truthiness was: If you think about The War in Iraq, maybe there a few missing pieces to the rationale for war, but doesn’t taking Saddam out "feel" like the right thing?
by DavidN September 07, 2006

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truth by consensus
wikipedia is the largest repository of truthiness on the interweb
by wiki*dia May 19, 2013

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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1.)Describes things that people claim to know,something like a gut feeling.
2.)Straightforward truthfulness.
3.)Being a badass and reinventing the word truthiness without even knowing.
"You dont look up truthiness in a book,
....you look it up in your gut!"
(words from steven himself.)
by StraightEdgeCHRIS[XWMX] March 15, 2008

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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Nothing but the hardcore truth of something.
"Truthiness is like sex, it jsut feels so good" ~ Mr. Pearson
by STH2005 August 16, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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The amount of truth a statement has.
The truthiness of this statement is 100% because it is very true.

Does it’s truthiness really matter, or can you have the same emotional reaction knowing that it is fiction?
by Ryan Stoker November 08, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt