Wiktionary
gone bonkers
vb. (past participle of go bonkers English)
Usage examples of "gone bonkers".
I knew that Mary would have advised us if Twink had gone bonkers again, but I wanted to be absolutely certain.
Wilcox refused to have his postprandial constitutional destroyed by an underling suddenly gone bonkers.
She hated to admit it, but he was reminding her of Jim, before he'd gone bonkers.
He had chosen the restaurant, after all, and now look - the masteter of ceremonies had gone bonkers.
Kate would begin to believe he had gone bonkers if he voiced his incredible notion.