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What Does Y/O Mean?Y/O means "Year-Old."
Summary of Key Points
Definition for Y/OY/O means "Year-Old." This is the most common definition for Y/O on Snapchat, WhatsApp, Facebook, Craigslist, Tinder, Zoosk and Match.com, as well as in text messages and on chat forums.
1: Easy to guess
Adults and Teenagers
Example of Y/O Used in a Text
Using Y/O on a Cell Phone (SMS Texts, Whatsapp, and Tinder)
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