1. To lick: This is the most common meaning, particularly when referring to food or drink. For example, "passer la langue sur une glace" would mean "to lick an ice cream."
2. To taste: This meaning is also related to food and drink, but can be used more broadly to describe the act of sampling something with your tongue.
3. To speak quickly: This meaning is less common and might be used in a metaphorical way to describe someone who talks very fast.
4. To explore with the tongue: This meaning can be used in a more literal sense, for example, when describing a child exploring their surroundings with their tongue.
5. To judge or evaluate: This meaning is more metaphorical and might be used to describe someone who is being critical or judgmental.
Context is key: Without more context, it's difficult to say exactly what "passer la langue" means. You might need to consider the surrounding phrases or the situation in which it is used.
If you can provide more context, I can help you understand the specific meaning of "passer la langue."