Fit Of Anger
Noun
どき
彼の鼻の穴は怒気を含んで膨らんでいる。
His nostrils swelled with anger.
An angry energy comes out of you when you have anger. It also can refer to a fit of anger.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.