lose one's temper
Verb
Meaning
get very angry and fly into a rage
Source: WordNetSynonyms
Antonyms
Show all antonymsHypernyms
Examples
One should not lose one's temper unless one is certain of getting more and more angry to the end.
Mr. Nixon, the [late] Vice-President of the U. S. A., has said that the time to lose one's temper is when it is deliberate, whilst another wiseacre has stated, "Speak when you are angry and you'll make the best speech you'll ever regret."
The professor combusted when the student didn't know the answer to a very elementary question
Spam makes me go ballistic