gremminger 

When a girl queefs on her period. Usually resulting in blood all over the woman.

Guy 1: Were you there in Calculus?
Guy 2: No, what happened, bro?
Guy 1: Ashley had the craziest gremminger. She had blood running down her legs.
Guy 2: No way! That's disgusting!
Guy 1: I know, right?

gremminger by Jay Zay is Cray October 9, 2012

grimmin 

To give someone dirty looks or to stare them down. Also known as "mad doggin".

Damn homie, that fool was grimmin. Let's punk his ass.

grimmin by Baby Blaze420 July 20, 2006

Grumming 

The act of grumming involves masturbating while defacating, having a wank while having a shit.

Sam was caught grumming by his mum

Grumming by lorenzo30 February 11, 2010

grimding

To cheat or buy your way up

I was grimding on fortnut

grimding by Grimding4life December 16, 2018

grimping 

grimp: one who pimp's one's grandparent,

or grimpin': the act of going out pimping with one's grandparent

the most I ever learned about life was when I went out grimping with my grandpa...

grimping by dillantante May 6, 2006

Gramming 

posting pictures in Instagram

John: Hey Nik, how was the music festival that you attended over weekend?
Nik: oh! dude, seriously! don’t tell me that you missed all my grammings

Reva: what’s the matter with all that grammings?
Julie: Meaning, me and Chris are now officially going out!

Gramming by CalvinQuicksilver October 1, 2014

glimming 

The burning or smoldering of a lit cigarette or cigar.

The building burned down after he tossed a glimming cigarette butt on a pile of oily rags.

glimming by CardCatalogger July 28, 2016