Procure por qualquer palavra, como wyd:
 
1.
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!
por HawtGirl69 08 de Março de 2007
 
2.
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.
por Zeddekesu 12 de Janeiro de 2009
 
3.
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!!
por sva4lyfe 07 de Dezembro de 2003