sst

Finishing move done by wrestler Axl Rotten stands for Severe Skull Trauma its a reverse brainbuster
Axl Rotten beat New Jack with the SST and won the ECW TV Title.
by Dennis Stamp June 11, 2006
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sst

An acronym that is mainly used, but not limited to, with Chat Roulette that stands for "show some titty".
Encounter with cute girl on ChatRoulette:
Jesse: "sst?"
girl: "what does that mean?"
Jesse: "You'd get mad..."
girl: "try me"
Jesse: "SHOW SOME TITTY!!"
by Pajaro con Sheese September 06, 2011
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SST

that sst is so bad at this.
by Magsta December 06, 2006
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SST

The School of REDACTED and REDACTED (privacy)
A school in Singapore, WHICH IS NOT PART OF CHINA
This school is for everyone loving REDACTED and REDACTED.
Ethan: Hey, I passed my direct school admission and got into SST!
Mom: GOOD JOB ETHAN!
by SST Singapore April 19, 2022
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SSTS

SSTS is Message Board or Chat shorthand for "Snickering Softly To Self" in the same vein as LOL which is message board shorthand for "Laugh Out Loud"
Posting SSTS in a message or chat usually means you are too jaded to LOL and hold everyone else in sophisticated disdain.
by Mister Slippery April 28, 2007
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SST

A GI term commonly used in Guantanamo Bay Cuba denoting the "Shit Sucking Truck" that is regularly driven into the camps there to suck out

1)Shit
2)Fecal matter
3)Used tampons
4)Putrid items not described above

from the Portapotties, Portajohns, Portolets, etc. and then dispense fresh clean bluish liquid back in to the shitter.

It can be further described as smelling as if 1000 garbage trucks full of shit were compressed into a shiny silver truck sized container on wheels that drives by when it's hot as hell out.
Goddamn! Sgt Minton, did you just shit your pants?

No you asshole, didn't you see me let the SST in a few minutes ago?
by down range daddy July 20, 2006
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SST

Scenario Specific Term: A term or acronym you use almost never because it describes something in such high detail. Most people acquire various SSTs but maybe get to use them once if they are lucky. Known to clutter minds of those who pay far too much attention to science or anything that overuses abbreviations.
John: My baby has an ELBW
Harry: Okay well what could that possibly mean.
John: Come on, its a term we learned in health class. It means Extremely Low Birth Weight.
Harry: When could anybody ever use that SST?
John: Oh you mean Scenario Specific Term? Well... right now?
Harry: I hope you enjoyed it. I don't think you'll ever use that one again.

Dae Quanne: I'm reading and astronomy magazine... what in god's name is an AO4ELT?
Jerry: That is what we call Adaptive Optics for Extremely Large Telescopes.
Dae Quanne: So basically just a major SST?
Jerry: What's an SST?
by Swag Master Cloud August 17, 2010
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