To work hard for a long amount of time aka few months. While having no life. Then come out on top of whatever it is you do. Usually involving working at a job, or training for a sport.
Person 1: I just work a lot and don't have a life.
Person 2: Oh, so you are on that grind then shine.
Person 2: Oh, so you are on that grind then shine.
by JSIZZLE3222 March 2, 2009