For example "o22" meaning "A" could represent someone having a crush/dating someone called Aaron, Alex, Amy etc.
But this is not the only code as there is a different one that corresponds with each letter of the alphabet.
Some further examples include "o33" which stands for the letter "M" which could be referring to names such as Matthew, Megan, Michael.
While "o45" is for "J" names, like James, Jessica, Justin, for instances.
This secret code has been shared on TikTok with people revealing a full chart A-Z of all the letter-number meanings, while some have been revealing their crush/the person they're dating's initial, with a screenshot from their Instagram Notes.
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