grainer 

A closed hopper car on a freight train. Called a grainer because they normally haul grain. This is old hobo slang.

I hopped a grainer on that train

grainer by Matt Wayward November 20, 2006

Grainer 

To put your dick in someone’s drink while they’re not looking, a technique invented by French Canadian singer Kevin Parent.

“My drink has a little something...”
Kevin: “I call that Grainer”

Grainer by huge anus alek angus January 28, 2021

Grainer 

Someone who consumes grain. Not to be confused with a Snoider.

Dude you look horrible, you should stop Graining.

I used to be a Grainer before i started caring care of my health.

Grainer by no4218941 June 10, 2024

grained 

A term commonly used in the IT industry to describe an outage of a service being caused by the substandard work of a sysadmin.

*Multiple services light up the monitoring board*

"OH FFS who grained it"

grained by dfg1r07 March 22, 2017

Mutual Gainer 

A pair of individuals who like to gain weight together by feeding each other.

Mike and Susan were mutual gainers who loved to feed each other.

Mutual Gainer by Dolphinia January 22, 2009

eye-graine 

a migraine that starts in your eyes

Man, I just started getting this friggin' eye-graine and my vision is all blurry!

eye-graine by psbwthu July 22, 2012

griner

to griner (verb, present tense)
grinering (present participle)
grinered (past participle)

to griner: individuals, particularly US citizens, casually smuggling small amounts of cannabis, often in the form of edibles, across international borders regardless of the legalities at the destination. See case of WBNA player Brittney Griner.

1) My friend's dad grinerd these edibles for me.

2) Met a dude in a bar last night, he gave me a toke of the vape pen he grinerd.

3) I don't understand why people griner so casually, that shit can land you in jail!

4) the police don't take kindly to grinering in Russia

griner by BenGers January 5, 2023