What is bday short for?


Bday is a common abbreviation for "birthday" that people often use when messaging. For example, you may text your friend, "Happy bday! I hope it's been great so far. Much love!"

People also commonly use bday on social sites like Facebook or Twitter. For example, your friend may post on your Facebook wall, "Have a great bday! Thankful for you!"

Bday is just one of many birthday-related acronyms and abbreviations. Some examples include b-day, bd, HB2U, and HLBD.


Happy bday! I hope it's a special one!

Pumped up kids at a bday party

Related Slang


Updated September 12, 2023

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This page explains what the abbreviation "bday" means. The definition, example, and related terms listed above have been written and compiled by the team.

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