Means: My mistake. Admitting a personal error or fault.
"I left the cake out in the rain. Mea culpa. It won't happen again."
Mea culpa is a Latin phrase that translates into English as "my mistake" or "my fault".
It is often used by English speakers as a way to avoid saying "My mistake" in English - while admitting the mistake.
It often means that the speaker does not think the mistake was important.
© 2011 New Word A Day