unglued

Etymology

un- + glued

verb

1. simple past and past participle of unglue

adj

1. (not comparable) Not secured with glue.
   The unglued joints all fell apart in shipment, but the properly joined piece survived intact.
2. (comparable, slang) Insane, upset.
   He was calm at first, then suddenly he came unglued and started screaming. He completely lost it.
   There is something inherently entertaining about the self-proclaimed defender of uncomfortable speech on college campuses coming unglued when he found a sentence on the Internet that he didn't like. 2019-9-3, David Karpf, “Bret Stephens Compared Me to a Nazi Propagandist in the New York Times. It Proved My Point.”, in Esquire
   One was Climategate, where global warming skeptics seized on the leaked emails of atmospheric scientists and produced reams of feverish, unglued analyses. 2020-09-22, Clive Thompson, “QAnon Is Like a Game—a Most Dangerous Game”, in Wired, →ISSN