at (one's) wit's end

In a state of distress that is reached when someone has no more patience. The baby's been crying for hours, and I'm at my wit's end! I'm already at my wit's end, so if this train gets delayed too, I'm going to scream.

Common Names:

Name	Pronounced	Usage
Suraya	-	Arabic
Palmiro	-	Italian
Ivette	-	Spanish
Albino	-	Italian, Portuguese, Spanish
Ernestina	-	Italian
AnastÁZia	-	Slovak