What Does Bday Mean in a Text?

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Bday means "Birthday."

In informal digital communication like text messages or social media posts, the abbreviation "bday" (or "Bday") is often used with the meaning "birthday."

The word "birthday" is also often abbreviated as b-day.

Image for Bday

When I write Bday, I mean this:

meaning of Bday

Bday is an abbreviation of "Birthday."

Summary of Key Points

"Birthday" is the most common definition for Bday on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.
Guessability:guessability level 1
1: Easy to guess
Typical Users:typical user

Adults and Teenagers

An Academic Look at Bday

Bday is a shortened version of the word "birthday," therefore it is a contraction. Contractions can be formed in a number of ways, including:
  • Omitting letters from the word (e.g., bday, pct (percent), obv (obviously)).
  • Using letters from the start and end of the word (e.g., adds, Dr (Doctor)).
  • Using an apostrophe to replace a letter or letters (e.g., don't (do not), can't (cannot)).
For reasons of brevity in text-based conversations, contractions are rarely followed by periods/full stops and apostrophes are routinely omitted.

Example of Bday Used in a Text

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