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1. slang To be or become wildly or uncontrollably angry. My parents went totally ape when they found out I'd wrecked the car! Now, don't go ape or anything, but I've decided to move to Canada.
2. slang To be or become extremely excited or enthusiastic (about something). I've never understood that pop star's popularity, but kids just go ape over her music.
go ape (over someone or something)
Sl. to become very excited over something. I just go ape over chocolate. Sam went ape over Mary.
Become wildly excited or enthusiastic. For example, The audience went ape over the band. This idiom is a modern version of the older go berserk. It fancifully equates frenzy with an ape's behavior. [Second half of 1900s] Also see go bananas.
If someone goes ape, they start to behave in an uncontrolled way, usually because they are very excited or very angry. The crowd went ape. Is he never tempted to break away, to go ape for a period? Note: You can also say that someone goes ape crazy. You don't get the chance to go ape crazy. Note: You can also say that someone goes apeshit. If we mentioned her ex-husband, she would literally go apeshit. Note: People who behave in a violent or uncontrolled way are being compared with apes.
go apego wild; become violently excited. informal
Originally mid 20th-century North American slang, this expression possibly refers to the 1933 movie King Kong, which stars a giant ape-like monster.
go ˈape(also go ˈapeshit taboo) (slang, especially American English) become extremely angry or excited: The manager went ape when the team lost yet another game.
To become wildly excited or angry: went ape at the party; went ape when she saw the parking ticket.