NSFU

Not Safe For the Universe, used to describe something that shouldn't exist, and nothing in the universe wants to know.

goatse, tubgirl, lemonparty, and 2 girls 1 cup are all nsfu.

by Zeddekesu January 12, 2009

nsfu

Not Safe For You - Similar to NSFW , but more personal

<Bob> Hi, can i see a picture of your boobies?
<HawtGirl69> No, you're like 12.. NSFU!

by HawtGirl69 December 14, 2008

nsfu

Need for Speed: Underground - A game where the inner 'street racer' comes out in all of us.

You pick up nfsu yet? I'll out drifto j00!!

by sva4lyfe December 7, 2003