English phrase from drama scenes

What Does "i don't know what came over me" Mean?

Learn what "i don't know what came over me" means, when people say it, and how to use it naturally in English.

Intermediate
Neutral
Soft
Explain

Look, I'm sorry, I don't know what came over me, okay?

It means the speaker acted out of character and cannot explain it well.

From I'M Obsessed With My Boss Part I, Episode 32

When do people say this?

Scene Context

She excuses her behavior by saying she does not know why she acted that way.

Usage Scenario

Use this when apologizing or trying to explain a strange or impulsive action. It sounds personal and emotional, not formal.

Better ways to say it

1
I don't know what came over me.
2
I don't know what happened to me.
3
I can't explain why I did that.

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