Gray-bearding 

the behaviour that preceeds drunken one night stands between work colleagues

Apparently they went home together, I knew they would though, she was gray-bearding him all night...

Gray-bearding by Wisevalve November 6, 2010

Gravy Merchant 

A peddler of nonsense

"Pfft, Percy Shelley. What a gravy merchant".

Gravy Merchant by wordsinabox December 10, 2010

Graygrounds 

Gray area playgrounds. This is the safe haven where one can operate in borderline unethical or immoral activities safely without fear of repercussions.

That explicit photos exhibit is safe on the graygrounds that it could be construed as art.

Graygrounds by Ace B March 27, 2011

Gravygasm

A gasm caused by gravy

Dude I had the best gravy last night. GRAVYGASM!

Gravygasm by Hoffykinz July 3, 2011

Gravy dick 

(n): A man who is incapable of achieving an erection; someone who claims to bed many women through the means of social networking sites, only he doesn't have the necessary tool in the toolbox.

At a fantasy baseball draft, David bragged about his sexual exploits; all the while, his friends knew he was a Gravy dick.

Gravy dick by Man with the Golden Dick July 26, 2011

Gray Jacked 

Sexing a person to death through relentless thrusting of the pelvic girdle

Pathologist: I'm afraid detective, she was Gray Jacked to death

Gray Jacked by Kageybaby September 8, 2011

grayell 

To have sex violently, usually resulting in injury.

I grayell'd her so hard she had a broken leg.

grayell by holy grayell January 1, 2012