Grinder 

1. Someone staying on top of their shit. (ie. making money, accomplishing goals, getting an education, career, etc.)
2. Someone who is always on the grind.

Girl you know I'm a grinder
I can't let you hold me back
You want too much control
It's bringing me down
I have to stay in the grind
And make money and do good things for me.

Grinder by Pri Pri December 27, 2006

Grinder 

What people from Connecticut call a Subway sandwich; a hero; a wedge; a hogie.

Let's go to Subways to get some Grinders!

Grinder by BreadbasketGangsta January 6, 2011

Grinder 

Grinder - Grinding it Out- On the grind

1) A player player who puts in his poker hours in a job-like way

2) Grind it Out, on the grind: working particularly hard, like when experiencing
an unlucky run of cards, to make an acceptable return on your time invested;
or when making a solid return when playing from a small bankroll at lower limits

Poker Pro's: Mugsy Russo is on the grind , The grinder Michael Mizrachi, Phil Ivey is grinding it out on the tournement circuit

"He Quit his job to become a grinder , he just won the world poker tour"

"what do you do for a living?"
"I'm on the grind"

"Today I'm grinding it out at the poker room."

Grinder by Boz Conti October 6, 2008

grinder 

a container filled with small nails or little poles fitted into the insides to help grind marijuana up to make rolling blunts easier. Will often come with a keef screen so you can pack keef on top

i bought a grinder in haight today so i can roll my bud easier

grinder by Rachael Kavaganaughanaughv January 17, 2005

grinder 

A Submarine Sandwich or Hoagie that is baked so that the cheese gets all nice and gooey.

Yeah, I'll have a Pepperoni, Salami,Ham and Italin Sausage grinder with everything on it.

grinder by JonathanChance October 1, 2003

grinder 

a device, usually made of plastic, steel, or wood, that is used to grind up marijuana

Pass the grinder, I'm gonna roll up a spliff.

grinder by cmart May 9, 2005

grinder 

A tough, unspectacular hockey player who is willing to do whatever it takes to get the job done. This is usually meant to be a compliment; a "grinder" is usually an overachiever.

Tough, gritty, hustling hockey player who stops the other team from scoring rather than scoring himself.

Jed Ortmeyer of the New York Rangers is a true grinder.

grinder by Roger D December 28, 2005