SST 

SST stands for Squirt Shake Tap
This is a secret Locksmith rule when manufacturing and repairing locks.

Apprentice: The lock Isn't working
Master Locksmith: Give it some SST

SST by Double J LS December 3, 2017

SST 

Super Sonic Transport.

SST is an aircraft that can fly in supersonic speed. A example is the Concorde.

SSTs can fly at Mach 1 or higher.

Guy 1: Yo I flew an SST
guy 2: What’s that?
Guy 1: Super sonic transport m8

SST by Your sodium? August 15, 2018

SST 

SST you have a shit snooker table

a really rubbish snooker table known as a SST shit snooker table

SST by thenutts7 November 1, 2018

SST 

Sissy slut training

He needs some SST (sissy slut training).

SST by Fijjener December 26, 2018

SST 

The short form of SuperSonic Transport

Tupolev Tu-144 is the world's first SST

SST by viet dung March 11, 2019

SST 

Sam Sex Trainer

me and homie SST finna smoke some shit tonight

SST has the most sex of any human on the west and east coast

SST is also known for his large amount of girls witch want to have the sexy time with him

SST by Rumple Foreskin69420 November 3, 2020

SST 

Sleepy sloppy toppy. When she look kinda sleepy but gives hella sloppy head

"Damn bro, that bitch could give some nice sst!"

SST by Top Master November 24, 2020