Synonyms of 'go spare'
▷ See spare
go mental (slang)
become mad (informal)
go up the wall (slang)
blow your top (informal)
I just asked him why he was late and he blew his top.
be or get pissed (off) (taboo, slang)
do your nut (British, slang)
have or throw a fit (informal)
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Thesaurus for go spare from the Collins English Thesaurus