Grindin' 

The act of working hard towards a goal or an achievement. Preformed when more effort must be applied then usually activities

Maree is really grindin' for that 99 atar

last night i was grindin' so hard to get my english homework done

Grindin' by Azxcvbn October 26, 2014

grindin' 

to make money by any means, even if its illegal

I say grindin for mine.

grindin' by parkin_lot_pimpin12 October 21, 2003

grindin 

V. (1) to sell illegal contraband for money, especially drugs.
(2) to make money, either legally or illegally
(3) to work hard
(4) when a women dances with her back to a man and her ass in his crotch, as to simulate doggystyle sex
(5)To wear clothing or jewelery bought with drug money
(6) to slide on a skateboard, usually downwards, on top of a rail or ledge while balancing one's weight.

(1)"Grindin', grindin', you know what I keep in line" -Clipse ft. Pharrell "Grindin'"
(2)"Man, I'm like the 20th person to quote Clipse in their grindin' definition."
(3)"I'm probably the only black man in my neighborhood who's grindin. I'm probably also the only black man on this website."
(4) "Man, that girl was grindin wit me so hard, my dick almost burst through my drawers."
(5) "Nigga, get your grindin' ass out of my house"
(6)"He was just grindin in the park a second ago."

grindin by Jam Master J April 14, 2005

Grindin 

puttin in work

dat nigga on da grind

Grindin by grinda October 28, 2003

Grindin 

Dancin real close, so close dat a girl can feel tha guy's dick,wheater its hard or not. When people are gridin tha girl is usually shakin her ass real nice n they dance in a rhythm togetha.

I'm so glad I went to dat new club, I was grindin wit dis hot boy.

Grindin by AK March 30, 2003

Grindin 

to sell drugs

Grindin' cousin, I got pot for a dozen---grindin-"Clipse"

Grindin by Ariana August 4, 2003

Grindin 

slang of Grinding

1. to dance, or dry-hump, rather agains a fine bitch in tha club; an erotic rotation of the pelvis

2. crush, pulverize, or reduce to powder by friction, especially by rubbing between two hard surfaces

3. To, be, stunt(ting) ice, bling, or jewrely

4. to wear down, polish, or sharpen

5. a Skating trick, to grind on a rail

6. a tight ass song "Grindin" by Clipes and Pharrell Williams from NERD :)

1. grinding (dry-hump-dance)

2. grind wheat into flour.

3. grinding (studnting) or flaunting, showing off ones possesions

4. to grind the teeth

5. grind that rail

6. "I'm just grindin' man, ya'll neva mind me"

Grindin by Randy [Blur] Robbins May 23, 2003