Top Definition
Similar to LOL but i realised that when i am at my computer i generally don't "Laugh Out Loud". I kind of snort air out my nose and move my head back a little at the same time. Hence the term "Nose Snort Thing" or "NST".
When Someone Tells a joke that isnt that funny and you have to make some sort of a response so you dont hurt their feelings. Thats when you do the NST.
by Dylan Bermingham, Emma Gorrie March 06, 2007
3 more definitions
Acronym for No Shit Talking
Me: Omg..where is Regina Phalange's head lately? (NST intended)

Brit: I have no idea..but, I think she's doing it for attention (also NST)
by NikiWithOneK April 23, 2012
Non-Stop Talking Syndrome. The type of person who you can't stand to be around because they just won't stop talking.

AKA: SUPER-diarrhea of the mouth.
Veronika: O hello. How are you doing. What time you want eat dearest next year? Do you know what is going on in Russia right now. It's quite fascinating. As a matter of fact, those Chinese people are taking over the world. O blyhtz yup toy o matz. Sorry boss cookies are one minute late. Oh no what should I -

Ben: Well actually, I believe based on what I learned in AP Euro that the Chinese are slightly behind the Japanese, who actually just were majorly damaged by a tsunami. Oh man, I just realized that reminds me, I got a 99 on my Euro test today even though everyone else got less than an 80. I'm gonna try to fight for the point. Hmm...

Francesco: Uhhhhhh, I'm gonna kill myself! STFU its like you have NSTS or something.
by Double Deucer April 15, 2011
short for "north side of the tracks."
The NST of the rivshow is the best thing since groy.
by jeleski June 10, 2010

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