b-day
Americannoun
Usage
What does b-day mean? B-day is an informal shortening of birthday, as in We’re surprising Rami with a cake for his b-day tomorrow. B-day is normally used in very informal situations, such as texting and social media posts, especially with friends and family rather than with strangers or acquaintances. B-day is also written as b’day. It’s also occasionally written as b day or beeday. Example: Jenny invited me to her b-day party at that fancy restaurant, and I can’t wait!
Etymology
Origin of b-day
By shortening
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
You know this family to be so committed to not observing the pandemic safety practices that they even booked a b-day party at a venue where the staff won’t follow CDC guidelines.
From Slate • May 7, 2021
Happy b-day: Los Angeles turned 235 on Sept. 4.
From Los Angeles Times • Sep. 6, 2016
And a happy 11th b-day to your hair.
From US News • Jun. 14, 2016
He emailed me that spring, “doing your first c-section on your b-day adds a warm and fuzzy component to this whole med school thing.”
From Salon • Mar. 12, 2013
Roger: Tell your mom I say happy b-day!
From "I Can Make This Promise" by Christine Day
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
