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15.
sos
An acronym for "spit or swallow"
Guy: " Sos?"
Girl: " Both!"
by notsyahmi June 10, 2014
 
16.
SOS
Snatch On Sight
Person One: When I see her it is gonna be SOS!
Person Two: Ooooh you gonna snatch that weave!
by qwertyuioplkijuhytrel February 19, 2014
 
17.
SOS
The sexual reference of SOS stands for "Shit on shingles". When you "SOS" someone , you get naked and take a shit on their chest , cover it with country gravy , then eat it.
"Man , this girl is so kinky , she wants me to give her some SOS."

"I know I barely met you, but Im ready for some SOS."
by CougarTom July 31, 2013
 
18.
An S.O.S. call is an internationally accepted Morse code distress signal. S.O.S. is sent by people on a ship when they are in danger of drowning, but I have read online that it was also used by pilots b4 they have been shot down. I don't think, though, that sailmen or pilots are the only ones who use the S.O.S. signal. Since it is an Intrnationally accepted distress code, anyone stranded and in serious trouble with no way of getting a phone call trough or any other means of communication have to relly on S.O.S.!

This signal can be transmitted in various ways. It can be sent out as an audio tone, along a telephone wire as an electrical pulse, as long or short pulses of a radio signal, or as a visual signal by using a flash light, also it could be as simple as banging on something or making some kind of noise. It is codified as three dots, then three dashes and three dots again. This sequence is without any space between the dashes and dots. The three dots signify the letter S and the letter O is formed by three dashes.
(info on this I got from reading about it on other websites and magazines.)

There are various phrases that are used as a full form of SOS. They are as follows:

Save Our Souls, Save Our Ship, Send Out Sailors, Save Our Sailors, Stop Other Signals and Survivors On Ship.
"Our only hope is that someone hears aor S.O.S. signal in time...".
"Sir, we're getting an faint S.O.S. signal from somewhere in our vicinity."
by PedaVas December 22, 2012
 
19.
SOS
An acronym meaning "Same Old Shit". This is pronounced "Soss". This term is used to describe a person's life as being the same old thing.
Jenny: Hey Joe! What's new?

Joe: Nothing much. Just the SOS.
by funny fellas January 13, 2014
 
20.
sos
SomeOne Stranded.

Used on islands when someone is stranded and need saving
-plane does by island-
Pilot: Sos! Someone needs help
Person stranded: *dead*
by Toriicx November 23, 2012
 
21.
SOS
When you have no mobile signal and it only shows the red SOS sign
Wylie says: hey valerie, please can I use your mobile phone?

Valerie says: Oh no I would let ya, but I have SOS.
by vky123123 December 08, 2010