y/a is "Your age". I have been trying to search it but no one defined it 😅. Usually, a writer of fanfiction sometimes includes the reader in the story, making it second-person POV. Here's some examples:
Person 1: Hey y/n, you're y/a years old right?
Y/N (Y/N stand for "Your Name", also is usually used by a writer of fanfiction): Yes!
Y/N (Y/N stand for "Your Name", also is usually used by a writer of fanfiction): Yes!
by Rocker Star August 5, 2021
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Get the L3t$pL@y!@ND(FF)!4512 mug.y/n stands for “your/name.” Many people use it in stories. for example, your name is Laura. “Y/n is so smart” that will basically mean “Laura is so smart.”
“y/n is so pretty”
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An abbreviation in fan-fictions that means "Your name." Literally, it means "Insert name here." It is used when the story takes place from the reader's perspective, as if the reader is an actual person in the alternate universe. Since the writer obviously cannot pick a specific name because various people will see it, this abbreviation is a simple way of showing that the characters are referring to the reader by name - whatever that name may be.
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