NLS 

Not Life Safe. Compare to NWS, Not Work Safe.
Used for images that are highly disturbing or disgusting.

Person 1: (goatse)
Person 2: Gah, put a NLS warning, Jesus!

NLS by Ssonic March 21, 2007

NLS 

Next Level Shit.
Used among traceurs/freerunners to describe crazy ass tricks.

payrunner: Hey bro did you see Team Farang's new video Boss Mode?
freerunner: Yeah I did, they threw some NLS!

payrunner: Hey did you see the shit Zyrken pulled at the Tempest Pro Takeover?
freerunner: Yeah man they gave him the NLS award.

NLS by dnastyfreerun August 4, 2013

NLS 

it means “no like shit” . basically another form of saying no but in a more sarcastic and sassy way.

obese bob: do you think this makes me look fat?
you: nls.

NLS by woah yuh September 16, 2019

NLS 

Acronym: Next Level Shit. To be of advanced skills or having characteristics of a more advanced stage, especially regarding relationships.

Yo - you want me to make breakfast? I'm sorry but that's NLS.

NLS by Michaelzen May 7, 2018

NLS 

not look safe
to tag a link that may cause use of eyebleach.

I only browse NLS sites.
goatse is NLS.

NLS by pyg January 29, 2007

NLS 

Never get Laid Society

Did you hear about our NLS party last night?

NLS by NLShaters. June 14, 2010

nls 

Nigger Loving Slut- any nonblack female that prefers sex with only black males

you see anna with that black guy, yeah shes a NLS

nls by wordman April 25, 2005