The chronic habit of vocally complaining about the atrocities of an everyday morning, ie. getting out of bed, hygiene, dealing with work you put off yesterday; usually in text or on social media.
Person 1: Why do I always wake up to Person 2 spewing a text wall about how much he hates going to class in the chat?
Person 3: He has a bad case of morning mald, he probably doesn't sleep enough.