trumpsmanship 

The art of spouting off whatever comes to mind, while convincing everyone that it is perfectly plausible.

That was an impressive display of trumpsmanship, when Donald convinced everyone that he knew more about ISIS than the generals, and that he actually respects women.

trumpsmanship by Chas501 January 22, 2017

Northrop Grumman 

An American global aerospace and defense technology company formed by the 1994 purchase of Grumman by Northrop.

The company was the fourth-largest defense contractor in the world as of 2010, and the largest builder of naval vessels. Northrop Grumman employs over 75,000 people worldwide. Its 2010 annual revenue is reported at $28 billion. Northrop Grumman ranks No. 72 on the 2011 Fortune 500 list of America's largest corporations and ranks in the top ten military-friendly employers. It has its headquarters in West Falls Church, Virginia.

Northrop Grumman by Dancing with Fire May 28, 2013

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

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

Grumman 

A Person who masturbates while deficating.
A humerously cumbersome or defective person.

A slow canoe or a person who paddles a slow canoe.
fecophilia
A person who partakes in grumming.

Quit masturbating while deficating you grumman.

Grumman by king grumman May 1, 2010

Grumpany

The company of people in a grumpy mood.

Grumpy people that you are forced to be around.

"Oh, dude, you would not believe how hard it was too hang out with those guys after they lost the game. Some seriously low spirits there, bro. They were some bad grumpany."

Grumpany by Shamaniac June 16, 2018

Grumman 

Forcefully grabbing a bum and rimming it.

If you don’t settle down, you’re going to get a right Grumman

Grumman by Thumperpops November 4, 2017