Phrase guide

go bananas

verb · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

verb

Meaning 1

To get angry; to go mad.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, informal

Examples

  • I just told her she couldn’t have any pudding until after dinner, and she went bananas!

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To become silly or excited; to go crazy.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From bananas (“crazy”).

Across languages

Translations

10 source translations are retained for this English entry.

  • Danish: gå agurk — get angry
  • Swedish: bli tokig — get angry
  • Swedish: gå i taket — get angry
  • Swedish: få tuppjuck — get angry
  • Swedish: få psykbryt — get angry
  • Swedish: kuka ur — get angry
  • Danish: gå bananas — become very excited
  • Norwegian Bokmål: gå bananas — become very excited
  • Norwegian Nynorsk: gå bananas — become very excited
  • Swedish: gå bananas — become very excited