Meaning of the word "go off the deep end" in English

What does "go off the deep end" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

go off the deep end

US /ɡoʊ ɔf ðə diːp ɛnd/
UK /ɡoʊ ɔf ðə diːp ɛnd/
"go off the deep end" picture

Idiom

1.

to become very angry or emotional, or to start behaving in a crazy way

Example:
When he heard the news, he really went off the deep end.
She tends to go off the deep end when she's stressed.
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