English phrase from drama scenes

What Does "you don't know what you're talking about" Mean?

Learn what "you don't know what you're talking about" means, when people say it, and how to use it naturally in English.

Beginner
Rude
Firm
Confront

You don't know what you're talking about.

It means the speaker thinks the other person is wrong because they do not understand the topic.

From Two Worlds Apart, Episode 10

When do people say this?

Scene Context

One person dismisses the other's argument as uninformed.

Usage Scenario

Use this in a heated argument if you want to strongly reject someone's opinion. It is rude and can escalate conflict quickly.

Better ways to say it

1
You don't know what you're talking about.
2
You have no idea what you're talking about.
3
You don't know what you're saying.

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English Comeback Phrases

What Does "you don't know what you're talking about" Mean? - ReelFluent