He gave vent to the frustration that had been building up inside him.
It's a great fallacy that giving vent to our emotion will be a solution to the problem itself and will lead to anything at all. (Certificate of Proficiency in English; C2; Russian)
He vented his anger by kicking the door.
The room at the attic was my only haven, the sole asylum where I could forget the wrinkled face ranting and raving at me, fuming with animosity towards me, venting her anger and frustration and all the other feelings bottled up in her. (Certificate of Proficiency in English; C2; Polish)