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
Keara	-	English (Modern)
Eastman	['i:stmən]
Gawain	gə-WAYN (English), GOW-ən (English)	Welsh, Arthurian Romance
Artturi	AHRT-too-ree	Finnish
Chica	SHEE-kə	Portuguese
Vasil	vah-SIL (Bulgarian)	Bulgarian, Macedonian, Georgian, Albanian