gone bonkers
Completely lost sanity
Gone bonkers means having lost one's mind or sanity, either literally or—more commonly—as hyperbole for acting irrationally or becoming wildly excited.
The crowd went bonkers when the home team scored.
She's gone completely bonkers trying to plan this wedding.
The phrase suggests losing control in an amusing or exasperated way rather than genuine mental illness.
- crazinessMental instability or absurdity
- insanitySevere mental illness
- madnessMental derangement or folly
- out of one's mindMentally unhinged
- nutsSeeds in shells
unhinged · mad · lost it · lost one's marbles · wild · deranged · off the deep end · hysterical · loony · over the edge · cracked up · raving · stark raving mad · wigged out · flipped out · mad as a hatter · berserk · off one's rocker
gone bonkerssane
Mentally healthy, clearheaded
rational · levelheaded · lucid · sensible · in one's right mind
gone bonkerscalm
Free from agitation
composed · cool as a cucumber · collected · even-keeled · serene