What Does BAC Mean?

BAC means "Back At Computer" or "Blood Alcohol Content."

The abbreviation BAC is typically used in computer-based conversations (such as chat forums and multi-player games) to mean "Back At Computer." In this context, BAC indicates that a participant who had been away from their computer or console for a brief period has now returned.

BAC also means "Blood Alcohol Content" (or, sometimes, "Blood Alcohol Concentration"). This is the percentage of alcohol in the bloodstream. It is used by the police and courts as an indicator of whether or not a person is too impaired to drive.

Image for BAC

When I write BAC, I mean this: meaning of BAC I am now BAC!

Summary of Key Points

"Back At Computer" is the most common definition for BAC on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.
Definition:Back At Computer
3: Guessable
Typical Users:
Adults and Teenagers


Examples of BAC in Sentences

Here are examples of BAC (meaning "Blood Alcohol Content") being used in jokes:
  • When the police officer saw my BAC, he asked me how I could stand with so little blood in my alcohol system.

  • I plan to donate my liver to an alcoholic. With my BAC I'll be guaranteed a match.

An Academic Look at BAC

BAC is both an initialism abbreviation and an acronym. It is often pronounced using its individual letters (i.e., Bee Eh See), but can also be pronounced as a word (i.e., Back).

What Did We Say before Texting and Social Media?

Before the digital era, we wouldn't have needed to say "Back At Computer," but we might have said "blood level" or "alcohol in my blood" instead of using BAC to mean "Blood Alcohol Content."

Second Definition for BAC

This meaning was also noted:
Definition:Blood Alcohol Content
4: Difficult to guess
Typical Users:

Example of BAC Used in a Text


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