KB

KB has 4 meanings
1. What does KB stand for?

Kiss back

Those who are getting mushy use KB to mean "kiss back." This acronym's most commonly sent in response to K or XOXO, to return your affections.

BFs, GFs, and other SOs are most likely to send and receive KB. You may also receive KB in messages from your mother, father, siblings, or grandparents, if you're part of a family that is comfortable showing affection (how bizarre).

Example

KB! I'll see you soon!

Feel free to blow a KB

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Updated April 11, 2022
2. What is kb short for?

Kilobyte

An abbreviation that stands for the unit of measurement for 1,000 bytes; commonly used to measure file size or data storage; a MB contains 1,000 kilobytes; as data storage capabilities increase, the kilobytes measurement will become more obsolete, similar to the penny in American currency.

Example

Smaller graphics files usually are less than 100kb in size on websites

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Updated February 19, 2014
3. What hardware is kb short for?

Keyboard

Kb is shorthand for keyboard, the essential input device on a laptop or desktop computer. Whether you are typing a message, gaming, or coding, the "kb" is the reliable tool for inputting commands.

The abbreviation frequently pops up in tech discussions and online conversations, simplifying communication by saving a few keystrokes. For example, techie may share a MacBook review on YouTube, and a user comments, "i agree that comp is overall an upgrade but the kb is still awful." In tech contexts, people may also use "kb" for "kilobyte."

Example

just got a new kb for gaming
nice! what kind?
mechanical with rgb lighting, it's so cool

Typing away at the kb

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Updated February 23, 2026
4. What does KB stand for among friends?

Kick back

Those who are relaxing may use KB to stand for "kick back." This acronym is meant to conjure a picture of someone sitting back, kicking up their feet, and chillaxing.

For example, your friends might use KB when asking whether you want to come over for a chill hangout. Or, your SO might use KB when asking whether you want to stay in tonight, rather than go out on the town.

Example

Hey, come KB w/me tonight at mine? Could use some company
Sure, I'll be there

A man who is about to KB

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Updated June 26, 2023

KB definition by Slang.net - The Slang Dictionary

This page explains what the acronym "KB" means. The various definitions, examples, and related terms listed above have been manually compiled and written by the Slang.net team.

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