MB has 2 meanings
1. What does MB stand for?

My bad

Those who are apologizing or taking the blame for something may use MB to stand for "my bad." Saying "my bad" is the same as saying "oops, that's my fault."

"My bad" and MB are most often used by Americans, though the phrase and its abbreviation have become more popular in other English-speaking countries over time. "My bad" is often viewed as a rather flippant form of apology, so it's most often used among friends and family members.


MB, I'll totally pay for that scratch

MB means "my bad"

Related Slang


Updated January 20, 2021
2. What is mb short for?


An abbreviation that refers to the unit of measurement equal to 1,000,000 bytes; often associated with a device's storage capacity or the size of a file; one thousand megabytes makes up one GB.


Can you compress the size of your file to less than 50MB so I can send it by email?

Related Slang


Updated February 19, 2014

MB definition by Slang.net

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

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