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
Gislin	-	Ancient Germanic
Lucilia	-	Ancient Roman
Alkyone	-	Greek Mythology
Henning	HE-ning (German), HEN-ning (Swedish)	German, Danish, Norwegian, Swedish
Renee	[ri'nei]
Ilinka	-	Macedonian, Serbian, Croatian