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"Not For British School Kids"

Uses:
1. In place of a swear word
2. Describing a topic that is obscene, disgusting, or in general "not for kids"

Origin: Circa 1998
At the snopes.com message board, an obviously irate woman posted saying the other posters should watch their language, because there were British school children reading the message board. From then on, as a joke, the other snopesters started using NFBSK in place of swear words or in the subject lines of topics that might not be suitable for children (or the squeamish).
1. I moved one Jenga block and the whole NFBSKing thing fell down!
2. I'll tell you about my surgery, but I must warn you, it might get a little NFBSK.
nfbsk by birdman August 4, 2004
Related Words
NTFS nfbsk NTFB NFBSM ntbsa ntebs Big NTFS
1) An abreviation for Not Too Fucking Smart

2) May also refer to the New Technology File System. The file system introduced with Windows NT to replace the File Allocation Table (FAT) system. Used by Windows NT, 2000, XP, Vista, Server 2003, and Server 2008
Guy 1: Man, Jenny is NTFS,
Guy 2: Yeah, she won't stop babling about how The Hills is "sooo true!"

Guy 3: Should I reformat my new harddrive as NTFS or would I loose all my porn?
Nerd: NTFS isn't that huge of an improvement. Besides, everyone knows Linux is way better for storing, sorting and categorizing your porn!
ntfs by Sheepe January 30, 2008
nude full body sensual massage
You will find this in websites of massages that provide NFBSM
NFBSM by Jeca Tatu 2 April 19, 2009
Acronym: Not For British School Kids

Created on the snopes.com message board. Can be used in place of a curse word, or to describe something as inappropriate.
I don't need your NFBSKing attitude!
Man, this topic is a bit NFBSK.
nfbsk by NuclearMosquito July 29, 2004
It's an acronym essentially. It means needs-to-eat-breath... you know the kind of accrid, putrid, festering, gut-wrenching, rotten, smells like a small dog just shat in there, mouth odor. People need to be told about this kind of thing! Also known as shit breath
Oh please, don't lean over my workstation again and look unduly closely at my screen. Your entebs is gonna make me throw up all over my keyboard.
ntebs by Richard Alexander August 4, 2004
Not For British School Kids
Meaning obscene or adult in nature.
Also used to censor somthing.
"She kicked the NFBSK out of that guy."
"Um, I don't think johnny should see that movie, its kinds NFBSK if you know what I mean."
nfbsk by ditto September 13, 2003