Is this grammatically correct? What does it mean and can it be rephrased? Seriously venting to my brother

Yes, the phrase "Seriously venting to my brother" is grammatically correct. It means that the speaker is expressing their emotions or frustrations in a serious and possibly intense manner to their brother. "Venting" typically implies talking about issues, emotions, or frustrations to relieve stress. You can rephrase it in several ways, such as: - "Having a serious conversation with my brother about my feelings" - "Expressing my frustrations to my brother" - "Opening up to my brother about what's bothering me"