BDAY

Texting & Internet Slang abbreviation · Texting and Chat

BDAY stands for Birthday, a texting and chat abbreviation.

Common shortening of "birthday" in texts, captions, invitations and hashtags, as in "bday party," "bday girl" or "happy bday." It is one of the most widely recognized casual abbreviations.

Example: Planning a surprise bday dinner for Sam, are you in?

Usage notes

Also written "b-day." It appears in hashtags such as #bday and in phrases like "bday month." Widely understood across age groups, though "birthday" is better in formal invitations. HBD is the related shorthand for "happy birthday."

Related abbreviations

More texting and chat abbreviations

• B4N – Bye for now
• BB – Bye-bye
• BBIAB – Be back in a bit
• BBL – Be back later
• BBS – Be back soon
• BC – Because
• BFF – Best friends forever
• BFFL – Best friends for life
• BFN – Bye for now
• BRB – Be right back
• BRT – Be right there
• BS – Bulls***

See all 215 texting and chat abbreviations →

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