French phrase
Vous pouvez me tutoyer.
Meaning
You don't have to be formal with me.
When to use it
A polite invitation to use informal address. It can make conversation feel more relaxed, though agreement may be appropriate in formal hierarchies.
Example dialogue
Bonjour, ravi de vous rencontrer.
Hello, it's a pleasure to meet you.
Vous pouvez me tutoyer.
You don't have to be formal with me.