Examples:

• The kids will go bananas when they see the giant ice cream sundae.
• The crowd at the concert started to go bananas when their favorite song played.
• My dog loves it when I give him treats; he absolutely goes bananas for them.
• She'll go bananas if she finds out that her favorite store is having a sale.
• The fans went bananas when the team scored the winning goal.
• The kids went bananas with excitement when they saw the magician's tricks.
• He tends to go bananas whenever he's around kittens; he loves them so much.
• The restaurant is known for its delicious desserts, and customers often go bananas for the chocolate cake.
• They went bananas with joy when they heard the news of their engagement.
• The audience went bananas as the comedian delivered his hilarious punchlines.
• The children will go bananas when they see the colorful parade.
• I've never seen him so excited; he went bananas when he won the lottery.
• She'll go bananas if she discovers her surprise birthday party.
• The monkeys at the zoo go bananas whenever they're given fresh fruit.
• The annual summer festival is so much fun that the whole town goes bananas during the event.
• His energy is infectious; he can make any crowd go bananas with enthusiasm.
• The students went bananas when the school announced an unexpected day off.
• The children will go bananas when they unwrap their presents on Christmas morning.
• The news that their favorite band was performing live made the fans go bananas.
• The kids went bananas over the new playground equipment at the park.