French phrase
Je vais m'évanouir.
Meaning
I feel like I'm going to faint.
When to use it
Used when someone feels close to losing consciousness. It is colloquial and often signals urgency.
Example dialogue
Je vais m'évanouir.
I feel like I'm going to faint.
Assieds-toi, vite ! Tu veux de l'eau ?
Sit down, quick! Do you want some water?