off the deep end


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off the deep end

slang Crazy or irrational. A; "Now your father thinks the neighbors are plotting against him." B: "Wow, he's really gone off the deep end!" Whoa, man, stop yelling! I only put a tiny scratch on your car, so there's no need to go off the deep end.
See also: deep, end, off
References in periodicals archive ?
One such person is former best friend Benny Friedman, who has clearly gone off the deep end.
Here are seven tips to try before you end up shooting yourself in the foot, going off the deep end, or doing irreparable harm to your relationship, reputation and career.
We have listened to the people of Saltburn but a small minority of people have gone totally off the deep end," he said.
Senate this week will prevent milk prices from going off the deep end.
sure when I went off the deep end, or rather into the deep end.
I'm not some crazy lady who's gone off the deep end, because I definitely haven't.
The Legislature has fallen off the deep end this time.
British actor John Moulder Brown goes off the deep end when he gets the hots for swimming pool attendant Jane Asher.
The irony that continues to escape "us" is that it's not the conservatives who pushed Pakistan off the deep end.
I don't know why Steve Mostyn has gone off the deep end over this," he said.
The poor girl's gone off the deep end since her dad, who managed to muck most things up while alive, went one step further and accidentally killed himself while faking his own death.
When companies go off the deep end to support us, it's incredibly important to let them know how grateful we are for their support.
State party leader Bob Tiernan responded by saying Sizemore "went off the deep end eight or nine years ago.
Finally Vonnie leaves and Mack really goes off the deep end, smashing her new boyfriend's windshield and landing him in jail.
You are impulsive now, think twice before going off the deep end.