be on/have a short fuse

idiom

Definition of be on/have a short fuse

informal
: to have a tendency to become angry very quickly The boss is known to have a short fuse.

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“Be on/have a short fuse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/be%20on%2Fhave%20a%20short%20fuse. Accessed 21 Sep. 2020.

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