grumpstone 

Synonym for "Toilet" (the furniture, not the room, for all you Brits out there)

After last night's all-you-can-eat Mexican, I really punished my grumpstone this morning!

grumpstone by Zoltan Moqadishu January 26, 2016

Grumpstink 

When a person throws themselves into a tantrum of such ferocious proportions that they inadvertently pass wind.

"Dude, Ashton went off the rails so bad last night that she pulled a grumpstink! My flat still hums of it."

Grumpstink by Prof. S May 4, 2010

Grimestone 

A term used when describing how fuckin grimey something is...Something soo fucking sick

BigSexy and Shortee double teamed some grimestone next bitch

That jam was sooo grimestone it lasted till 9 in the morning

Grimestone by Big Sexy and Shortee February 14, 2006

grumpton deluxe

The act of receiving oral sex whilst defecating and eating a cheeseburger

"I had my first grumpton deluxe on Monday night, it was sensational"

grumpton deluxe by fulanal March 10, 2014