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
Sokratis	-	Greek
Muriel	MYUR-ee-əl (English), MUR-ee-əl (English), muy-ree-EL (French)	English, French, Irish
Wobbe	-	Frisian
Ashbee	['æʃbi]
Leonzio	-	Italian
Buckley	['bʌkli]