Meaning

2 senses
  1. (idiomatic, informal)To get angry; to go mad.

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

  2. (idiomatic, informal)To become silly or excited; to go crazy.

Origin

From bananas (“crazy”).

From bananas (“crazy”).

Wiktionary, CC BY-SA 4.0 · source

Forms

goes bananas, going bananas, went bananas, gone bananas
Base formgo bananas · to go bananas
3rd person singulargoes bananas
Present participlegoing bananas
Past simplewent bananas
Past participlegone bananas

irregular · Lesson

Present simpleLesson

I, you, we, theygo bananas
he, she, itgoes bananas

Past simpleLesson

all personswent bananas

Present perfectLesson

I, you, we, theyhave gone bananas
he, she, ithas gone bananas

Future simple (will)Lesson

all personswill go bananas

Synonyms

2 synonyms

See also

neighbours in the dictionary
go bananas — meaning, examples, forms, synonyms | Krumeto