What is bday short for?


An abbreviation often seen in posts on social networking sites like Facebook when it's someone's birthday.


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

Pumped up kids at a birthday party

Related Slang


Updated May 11, 2016

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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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