An abbreviation that is widely used in texting and on Facebook, Twitter, Instagram and elsewhere on the internet, but what does SO mean in slang?
Most Common SO Meaning
SO stands for Significant Other.
SO is used to refer to your partner in an intimate relationship, without disclosing anything about marital status or sexual orientation.
My SO won’t be able to come to the party.
Alternative SO Meanings
What Does SO Mean?
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