A human male labeled with such a name is known as what would be considerably called a “sigma” or “rizzy” person according to gen-z slang used in todays culture.
the concept of an individual that is extremely annoying and will lower your social standing if seen with, is also known to do extremely out of pocket stuff.
Person A: what if I kicked that guy in the shins?
Person B: Nah bro that's a James move you should never do that.
Let's be real all of the urban dictionary words that are just someone's first name are just people projecting stereotypes of the name from people they've encountered/known and think it is applicable to everyone with that name