go crazy
/ɡoʊ ˈkreɪzi/
Meaning
This expression means to become very excited, wild, or enthusiastic. It can also mean to lose control or get angry, but in casual slang, it is often used to encourage someone to enjoy themselves or do something without holding back.
Examples
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The crowd went crazy when the band walked onto the stage.
The crowd went crazy when the band walked onto the stage.
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Don't go crazy with the credit card while shopping.
Don't go crazy with the credit card while shopping.
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If you want more cheese on your pizza, go crazy!
If you want more cheese on your pizza, go crazy!
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My dog goes crazy every time the mail carrier arrives.
My dog goes crazy every time the mail carrier arrives.
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We went crazy dancing at the party last night.
We went crazy dancing at the party last night.
Common Mistakes
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✗ He became crazy when he heard the news.
✓ He went crazy when he heard the news.
Non-native speakers often use 'become' or 'get' with 'crazy,' but 'go crazy' is the standard idiomatic collocation for a sudden change in state or high excitement.
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✗ The kids went crazily in the playground.
✓ The kids went crazy in the playground.
In this structure, 'go' acts as a linking verb, so it must be followed by the adjective 'crazy' rather than the adverb 'crazily'.
Related Expressions
Practice
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The fans will ___ if their team wins the championship.
💡 get extremely excited
Show answer
go crazy
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Here is the paint; ___ with the living room walls!
💡 feel free to do whatever you want without limits
Show answer
go crazy