blow a fuse
Proposed by a contributor, not yet supported by evidence.
Meaning · English
to become very angry
Literally: electrical fuse overheating
Where it’s used:
Used
Widespread English
Examples
It was only a suggestion, Robyn; there's no need to blow a fuse.
HUDDERSFIELD have an electronic scoreboard at Leeds Road — and it could blow a fuse when the Aussies play us next month!
British National Corpus sentence via the MAGPIE corpus (CC BY 4.0, retrieved 2026-07-30)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “blow a fuse” mean?
to become very angry Literally: electrical fuse overheating
Is “blow a fuse” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.