go off the deep end

Meaning

1. Oxford100% of films

   to suddenly become very angry or emotional

   Some people go off the deep end...

In the movies · 2

• Some people go off the deep end...Felon2008
• Bobby: I think ever since my grandmother died, Dee Dee kind of went off the deep end.Mommy Dead and Dearest2017

From the same entry

• in deep water
• jump thrown in at the deep end
• between the devil and the deep blue sea
• in the shit
• deep down
• go deep
• dig deep
• dig in your pocket , savings
• still waters run deep