2. A vulgar dance where people rub their body parts against each other. Usually to rap or techno. "yo, check out that hoe over there putting her ass all up in that guys crotch...they are grinding."
2) Good work ethic, doing what you do.
Ex: Getting money, editing pix, singing...whatever your hustle is.
When you're "on your grind" then you're doing a good/great job at whatever you're doing.
"Dang you're on your grind."
"I'm just getting my grind on."
I'm getting back on my grind."
Gamer1: Yeah, I'll probably grind all weekend trying to get to that map.
Gamer2: Man, it'll take forever.
Gamer1: I know, but I'll make it happen. I'm looking forward to my next set of gear.