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
Danny	DAN-ee	English
Mauricio	mow-REE-thyo (Spanish), mow-REE-syo (Latin American Spanish)	Spanish
Caelestinus	-	Late Roman
Calanthe	kə-LAN-thee	English (Rare)
Donn	[dɔn]
Rhonda	RAHN-də	English