15 people who really should have checked who they were talking to

If you’re going to start throwing your knowledge or expertise about like you’re the big cheese, you should really make sure you’re not talking to an even bigger cheese. The hard-working crowd over at twentytwowords.com have gathered some examples of people who didn’t know who they were dealing with, and these are just glorious.

Some didn’t recognise the famous.

1. The one who wanted to give Annie Lennox a shot at stardom

2. The Matilda fan who didn’t recognise …Matilda

3. The woman making encouraging noises at the Olympic swimmer

4. The person explaining Professor Snape to the woman who wrote him

5. The guy praising the actor who plays Green Arrow to the actor who plays Green Arrow – just not the one he thought it was.

6. The awkward moment when someone questions natalie Portman’s experience of Star Wars

7. Tony Hawk is not that common a name

Then, there’s the sexism …

8. How could a woman have a science lab?