push over the edge

push/drive somebody over the edge

(informal)

if an unpleasant event pushes someone over the edge, it makes them start to behave in a crazy way She had been driven over the edge by the separation from her husband.

Common Names:

Name	Pronounced	Usage
Kristjana	-	Icelandic
Nona (2)	-	English, Ancient Roman (Rare)
AgnÉ	-	Lithuanian
Ingvildr	-	Ancient Scandinavian
Humbert	HUWM-bert (German), um-BER (French), HUM-bərt (English)	German, French, English (Rare), Ancient Germanic
Malwina	mahl-VEE-nah	Polish