not safe for waffles 

A topping that simply isn't safe for waffles.

"You can't put the universe on a waffle, Joe. It's not safe for waffles."

not safe for waffles by thatonesexymotherfucker October 8, 2016

Not Safe Here 

It is a term used when a group chat has the tendency to be screenshotted.

Chat in another group as it’s not safe here. You’ve been watched by many.

Not Safe Here by Niggg96 January 9, 2020

not safe for life 

Any video or image that depicts particularly graphic material such as a dog getting kicked or a disemboweled horse.

Hey, do you want see an image of a dead dog?

-Kevin
No, why would I want to see that? That’s not safe for life.
-Joe

not safe for life by wordbrodgg September 9, 2023

Not Safe For Starbucks 

The not popular meme of going into a Starbucks and getting a venti, latte, etc. and slamming it on the Starbucks table/Floor. And then saying that "CHICKFILA IS BETTER THAN YOUR STUPID DRINKS." and start stomping on the coffee.

Starter: THESE DRINKS SUCK.
Victim: I think this is Not Safe For Starbucks.

Not Safe For Starbucks by burn your fat January 8, 2025

(NSFYM) Not Safe for Your Mom

A word, phrase or thought that is likely to embarrass, fluster or even cause a mother to cry

Ed: I want to post to Twitter, but your mom follows me and this comment is definitely NSFYM.

Andy: NSFYM? And why does my mom follow you?

Ed: Yeah, (NSFYM) Not Safe for Your Mom. And, um, can you repeat the second question...

(NSFYM) Not Safe for Your Mom by anythingoncemaybetwice February 28, 2012

Not Mind Safe

Also, NMS.

1. Weird and/or fucking terrifying, usually in the context of a website, image or idea.

"Wow, check out this cool link I found! (NMS)"
"Wow, check out this picture of a girl eating her own poop with a spork! (Not Mind Safe)

Not Mind Safe by Eliphas Phatt January 9, 2009

Not Scar-Safe 

Originally coined by the channel GoodTimesWithScar, "not-Scar-safe" describes anything crude or dangerous. The opposite of "Scar-safe", it encompasses all negative energy in a situation.

The Urban Dictionary is not Scar-safe.

Not Scar-Safe by 1398471239823478901239087 December 23, 2022