bonkers

Example:She thought the idea was bonkers, but he still wanted to go for it.

Definition:crazy or extremely silly

Example:His plan was so bonkers, but it just might work.

Definition:extremely and foolishly daring

Example:I stayed up all night with a bad cold, and now I'm going bonkers trying to think of a good excuse.

Definition:becoming very crazy or frustrated, especially because you are unable to do something

Example:He's bonkers about the new comic book and has read it cover to cover.

Definition:very interested in, excited about, or enthusiastic about something

Example:When he received the invitation, he got all bonkers and started planning the party right away.

Definition:becomes extremely excited or upset