vent · verb /vent/
to vent (your) frustration/anger, etc.
C2 to do or say something to show your anger or another strong, bad feeling
Dictionary examples:
Walking relieves a lot of tension and it’s a good way to vent frustration.
He vented his anger by kicking the door.
Learner example:
Every time I had to get something o[ff] of my chest, poor out my feelings or vent out my anger, writing in my diary was the most natural and harmless way to do so. (Certificate of Proficiency in English; C2; Italian)