A verb to describe someone who is ugly but has major swag. Someone who isn't very good looking but has a good sense of style.
Gideon: "Yo Mohamed, you see that chick over there in the pink?"
Mohamed: "The one with the skirt? Yeah bro she's hot as hell!"
Gideon: "Nah dude. She's gromky.
Mohamed: "Oh yeah. You're right."