* Coucou: This is a casual, friendly greeting, similar to "Hey" or "Hi". It's often used between people who know each other well.
* Salut: This is another informal greeting, meaning "Hello" or "Hi".
* On que faire connaissance: This translates to "Let's get to know each other".
Overall meaning: The phrase conveys a friendly, casual invitation to start a conversation and get to know someone. It's like saying, "Hey, hi! Let's chat and get to know each other."