grindpiece 

It means to handle one's business - whether that be work, life goal, relationship, etc.

Nah man - I'm not effin' with no parties this weekend - I gotta get on my grindpiece and finish this History paper

grindpiece by Amanda April 8, 2005

Grindpilled 

Grindpilled means that you are grinding for something for hours or days on end

Fletcher has stayed up all night grinding grand theft auto heists he is a grindpilled freak.

Grindpilled by DrearyThrill March 7, 2021

grindpile

A group of people grinding each other at a bar. This includes multiple people of different gender.

Carter is a hoe so he likes to get lit at the bar and join grindpiles. He never knows who he was grinding on.

grindpile by Quevin November 22, 2017

grillpiece

the mouth or any surrounding area

Shut your fucking grillpiece!
I will bust you in the grillpiece!

grillpiece by dickface September 4, 2003

Human Grindipede 

Noun:
The act of multiple people grinding in a conga-line formation. Also called the grindipillar or the grind line.

"Billy was scarred for life after his first school dance because he had witnessed a human grindipede"

"Did you see how long that human grindipede was yesterday?"

Human Grindipede by Wizard Lizard October 1, 2014

co-grandniece-in-law 

The granddaughter-in-law of one's spouse's sibling.

My co-grandniece-in-law is a good person.

co-grandniece-in-law by Elivaldeq November 24, 2019

co-grandniece-in-law 

Spouse's grandnephew's wife.

My co-grandniece-in-law is a good person.

co-grandniece-in-law by Gerald128 April 7, 2021