vent (one's) anger

Translations
выплеснуть (свой) гнев
She decided to vent her anger by going for a run.
Она решила выплеснуть свой гнев, отправившись на пробежку.
Definitions
To express or release one's feelings of anger or frustration, often by talking about the issues that caused those emotions.
Words
anger

noun
гнев
vent

verb
выпускать