b-day

American  

[bee-dey] / ˈbiˌdeɪ /

Or b'day

noun

Informal.

1. birthday.

   When's her b-day?

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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

“B-Day” is scrawled on Feb. 6.

From Washington Post

Roger: Tell your mom I say happy b-day!

From Literature

"My b-day is coming soon !!!!!"

From Fox News

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

"It is an absolute joy to watch the Phils on Sunday during the Phanatic’s B-day and listen to Michael Jack Schmidt commentate," original Phanatic Dave Raymond tweeted.

From Fox News