
Go off the deep end
Emotional Trigger
Used when an event causes a strong emotional response leading to an extreme reaction.

He went off the deep end after losing the championship game.
Not Literal
It's a metaphor for losing control, not someone swimming in water.

When the airline lost her luggage, she went off the deep end.
Informal Use
Most suitable for casual conversations, not formal situations.

At the party, Dave went off the deep end after too much to drink.
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