Wiktionary
vb. (context idiomatic English) To become angered or crazy; to lose control of one's senses or sanity.
Usage examples of "come unhinged".
He felt his legs come unhinged, and before the dirty board floor tilted up to meet him, gray had gone to black.
Jaelot's terrified populace, that had seen half their town come unhinged.
Scopas Eyosra sent a message to you two gentlemen urging you to come to Maghu because Exarch Aleikon was starting to come unhinged.
The guy's mouth opened extra wide, as if his jaws had come unhinged, and he took in the entire bird.
If he couldn't get free from his own fantasies, his mind was going to come unhinged.
If he found out that he's being used again - betrayed again - he might come unhinged, do things and say things that would have unthinkable consequences for us all.
Surratt's smile was like that of a skull whose bottom jaw had come unhinged.