For positive emotions:
* Ebullience: A feeling of excitement and happiness
* Rapture: A state of intense joy or pleasure
* Euphoria: A feeling of intense happiness and excitement
* Exuberance: A feeling of great happiness and enthusiasm
* Effervescence: A bubbly, lively quality
For negative emotions:
* Outburst: A sudden, uncontrolled expression of strong emotion, often negative like anger or frustration
* Tantrum: A sudden, uncontrolled fit of anger and frustration, often seen in children
* Rage: A violent, uncontrolled feeling of extreme anger
* Fury: Extreme anger
* Hysteria: Uncontrollable emotional excitement or fear
For neutral emotions:
* Outpouring: A strong, sudden expression of emotion
* Explosion: A sudden, powerful release of emotion
* Surge: A sudden increase in emotion
The best word to use will depend on the specific emotion you are trying to describe and the context of the situation.