Go off the deep end

usgb
verb phrase

To go crazy or mad because of stress, anger or disappointment.

It seemed like he was going to go off the deep end when they canceled his favorite show.
Visual representation of "go off the deep end" - To go crazy or mad because of stress, anger or disappointment

Often appears as...

  • threaten to go off the deep end
  • nearly go off the deep end

Usage tips

Informal, Disapproving

Colloquial

Definition 1 of 2
Visual representation of "go off the deep end"
LampPro Tip 1/3

Emotional Trigger

Used when an event causes a strong emotional response leading to an extreme reaction.

Illustration for Emotional Trigger
He went off the deep end after losing the championship game.
LampPro Tip 2/3

Not Literal

It's a metaphor for losing control, not someone swimming in water.

Illustration for Not Literal
When the airline lost her luggage, she went off the deep end.
LampPro Tip 3/3

Informal Use

Most suitable for casual conversations, not formal situations.

Illustration for Informal Use
At the party, Dave went off the deep end after too much to drink.
Visual representation of the word "Go off the deep end"

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