There’s an amazing second-hand embarrassment/thrill that comes from watching someone speak very confidently with no idea how hard they’re about to be shut down because they don’t know who they’re talking to.

The internet is full of these, though largely in screenshot form, since the embarrassing messages are usually deleted. But a few live on.

Enjoy these 10 examples of people who really should have just stopped talking.

10. “You have never read an issue”

Dana Schwartz is a writer, whose work includes multiple Marvel comics.

9. Oh, you’re looking for Columbus, eh?

Well, you found her, kid!

8. “If I even play Playstation”

Shayna Moon is a video game producer, known for her work on God of War.

7. “What’s your source.”

Dr. Theresa Tam is…well, read to the bottom.

6. “Rethink my analysis”

Emma Ritch is a feminist writer and activist.

5. “I wonder what he’s up to these days”

Tony Hawk is, of course, the world’s most famous skateboarder.

4. “Told me not to bother them.”

C.B. Cebulski is Editor-in-Chief for Marvel Comics.

3. “Band wagon”

Benson Mayowa is an NFL defensive end, who at the time of this tweet was playing for the Dallas Cowboys.

2. “Not left wing”

Eric Umansky is a deputy managing editor of ProPublica.

1. “You’re very good at swimming you know”

Lizzie Simmonds is a British Olympic swimmer.

Remember, the next time you feel like shooting off at somebody on Twitter, maybe make sure you know who you’re talking to. You don’t want to end up on a list like this.

What was the biggest time you put your foot in your mouth talking to someone?

Let us know in the comments.