It's used when you're embarrassed, or to express your fun even if it's very ambiguous
-hey man look at this meme, is really funny
- Sos
SOS is another word for sorry.
SOS for not bringing you the chips you wanted !
S.o.s is one of the most dangerous gangs in broward county they often use 🆘 emoji when typing there known for “stepping on opps” so you run into a sos member talk with respect .
Sos gang SOS is a distinctive Morse code sequence and not an abbreviation, but in popular usage it is associated with phrases such as "Save Our Souls"
Shit On a Shingle - slang for chipped beef on toast
We're having SOS for dinner