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
AdalynAD-ə-linEnglish (Modern)
Sarosh-Persian Mythology
Diannedee-AHN (French), die-AN (English)French, English
Lucilla[lu:'si:lə]
Cummings['kʌmiŋz]
Margauxmar-GOFrench