A uncommon name for a Surface-to-Surface missile. Other more commonnames include ICBM, SLBM, and TBM, depending on the range of the missile. The Scud is an example of an SSM.
We got an SSM launch from Iraq, sound the air raid sirens.
When somebody keeps being under your ass, in your business you say stop sucking me or stop jocking me in many cases but onlne there also another way to bother somebody.
"Slightly Smiling". Be honest, you don't 'laugh out loud' to every text you read, yet you seem to put it after every sentence because it's the only thing that seems to work. SSM is a more truthful, less obnoxious alternative to LOL.