What is a 304 girl?

There's no established meaning or reference for a "304 girl." It's possible this is:

  • A slang term specific to a certain region or community: The meaning could be entirely localized and unknown outside of that group. To understand it, you'd need more context about where you encountered this term.

  • A code or inside joke: It might be a private reference within a specific friendship group or online community.

  • A mishearing or misspelling: Perhaps it's a similar-sounding phrase or number with a different meaning.

  • Completely made up: The term might not have any established meaning at all.

Without more information about where you heard this term, it's impossible to give you a definitive answer. If you can provide more context (e.g., the source, the surrounding conversation), it might be possible to figure out its meaning.