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.
See also: edge, push

Common Names:

NameGenderPronouncedUsage
Manouel-Late Greek
Keelan-Irish
Damon['deimən]
Kiri-Maori
VanceVANTSEnglish
Andile-Southern African, Zulu