Skip to main content
Grease mass index (GMI) is a measure of grease based on height and weight that applies to adult men, women, or undefined
Nate’s GMI is off the charts! How else do you think he earned the name ‘Grease Machine
GMI by Higussy November 6, 2018
Related Words
GMILF GMI gming gmial GMIC gmidgetard gmike Gmill gmimi Gmini
A buch of hoes who wanna have control over Matt and Rebecca's youtube channel and news to just stop
The GMI are hoes

The GMI should stop
We will defeat you GMI
GMI by Hoes yall Hoes September 28, 2019
get my initial
“gmi on your haircut” “gmi on your nails
gmi by realtalkforever March 25, 2024
In Metalocalypse, Skwisgaar tells an old lady that she is a GMILF.
GMILF by Nathan Explosion January 23, 2007
An acronym for Grandma I'd Like To Fuck, most common with necrophiliacs.
"Man, she's such a GMILF. Get the shovel"
GMILF by Anonymous August 21, 2003
1. A shorthand way to say, "Go me, I'm cool."

2. A dorky way to congratulate yourself for doing something you deem cool.
i posted a word i made up on urbandictionary.com and it's got over 1,000 thumbs up. GMIC!
GMIC by cendali April 12, 2010