A ‘gem’ is a verbalistindividual who talks badness online but who isn’t active in real life. The origin of the word may derive from the metaphor of an individuals loud online persona being so hard to find in real life.
“This *** guy said he’s gonnaonsight me but he’s a gem.”
“Kmt, this *** guy owes me money, I’m gonna find this gem.”
Often referred to a precious or rare stone. It also applies to describe how amazing one person could truly be. It’s not just one specific thing, but as a whole. Nothing else portrays the true significance of this one person better.