Meanings
s.o.1
- abbreviationinitialismInitialism of significant other.
- abbreviationgrammarAbbreviation of someone.
S.O.2
- abbreviationinitialismInitialism of significant other.
There’s nothing like cuddling up with your S.O. on date night, only to end up fighting about what to throw on the TV.
2022 November 22, Katherine J Igoe, Rachel Varina, “20 Sexiest Movies of 2022 and Where You Can Stream ’Em All Yourself”, in Cosmopolitan1 more example
There is one fashion item, however, that has the opposite effect and could cause a relationship’s downfall — at least according to TikTok. Enter: the “shoe theory.” The theory, which populated FYPs in December, posits that if you gift your S.O. footwear, you will eventually split up.
2023 March 16, Alyssa Lapid, “Everything To Know About The “Shoe Theory” Going Viral On TikTok”, in Bustle
Cite this entry
s.o.. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/s.o.
“s.o..” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/s.o.. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “s.o.,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/s.o..
Source: s.o. on Wiktionary, CC BY-SA 4.0.