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 out of character and cannot fully explain their behavior.

From The Dumb Billionaire Heiress In Love Part I, Episode 32

When do people say this?

Scene Context

The speaker apologetically says they do not understand why they acted that way.

Usage Scenario

Use it after doing something impulsive, rude, or surprising. It is common in apologies or self-explanations.

Better ways to say it

1
I don't know what came over me.
2
I don't know what happened to me.
3
Something came over me.

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