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

I don't know what came over me

This means the speaker acted strangely or impulsively and does not know why.

From I'M Obsessed With My Boss Part Ii, Episode 13

When do people say this?

Scene Context

Someone says they acted in a way they do not understand and cannot explain.

Usage Scenario

Use it to explain embarrassing or uncharacteristic behavior after the fact. It sounds reflective and can be used after a mistake or emotional moment.

Better ways to say it

1
I don't know what came over me.
2
I don't know what got into me.
3
I wasn't myself.

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