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Not Safe For Life. Goes a step beyond NSFW, because it doesn't matter where you view the material; you will be scarred.
Why did I click on goatse? That shit is NSFL
by Jachmaninoff August 17, 2007
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Donkey Punch Plush

10" high plush doll.

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2
Dude: Intrested in car accident pics.
Alien: are they NSFL?
by Miko Jack May 08, 2010
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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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NSFL also known as NLS means Not Safe For Life or Not Life Safe normally referring to a link someone or some website has sent you meaning no one should ever see it.
the video at 1guy-1cup.com is NSFL.


by fukendrinkin January 10, 2009
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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NSFL also known as NLS means Not Safe For Life or Not Life Safe normally referring to a link someone or some website has sent you meaning no one should ever see it.
www.2girls1cup.com is NSFL no one should ever see that
by Kelby Raper January 27, 2008
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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5
Not Safe For Lunch. A warning that linked content is sufficiently horrendous as to be sensibly avoided by the weak of stomach.
This website|image _link_ is NSFL.
by Morosoph October 12, 2008
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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