MB
What does MB mean?
MB is an abbreviation for 'my bad,' used to acknowledge a small mistake or apologize casually.
MB used in a sentence
“MB, I sent the link to the wrong group chat.”
This example shows the term in context rather than treating the definition as a literal word-for-word substitution. Slang often depends on tone, audience, and the conversation around it.
How do you use MB?
MB is common after minor errors, misunderstandings, accidental messages, or forgotten tasks.
Where did MB come from?
The initialism grew from the long-established informal apology my bad and became common through texting and gaming chat.
Common variations of MB
mb bro
A casual apology directed at someone.
my bad
The full phrase represented by MB.
MB I forgot
A common apology pattern explaining a mistake.
MB: frequently asked questions
Is MB a sincere apology?
It can be, but its casual tone best fits minor mistakes.
Can MB mean megabyte?
Yes. Technical context changes the meaning.
Should it be used for serious harm?
A fuller apology is usually more appropriate.