look up any word, like fluffer:
 
11.
When a guy lays his cock and balls out on someone's face.
The balls need to be over the victim's eyes, and the dick needs to be laying over the nose and the mouth (if you can reach that far.)

The name comes from the fact that this will look like the victim is wearing a medieval mask/helmet, like King Arthur wore.
Oh man, when Daylon was passed out drunk, I gave him a King Arthur and took pictures. I left one in his pocket for him to find when he woke up.
by AGreen BHM January 15, 2006
 
1.
A word I looked up on Urbandictionary to see what people thought of the mythical English king, but all I got instead was disgusting sex definitions.
King Arthur was cool.
by david smith, jr. February 26, 2008
 
2.
Cypress hill's 8 foot bong.

It's named king arthur.

I want it.
He did one hit off of king arthur and was done for the night.

Jesus.
by iang423 May 29, 2006
 
3.
He's a King, therefore he's a ruler. And a ruler is 12 inches. Thus the name King Arthur.
Don't let King Arthur unsheathed his sword or he'll cum-a-lot.
by Excalibur April 17, 2006
 
4.
A man puts super glue in another persons anus. Then he inserts his penis into their anus and lets it dry, and tries to pull it out of "the stone"
Carl gave Hanna a King Arthur last night.
by DJkevin66 December 02, 2009
 
5.
The Act of running away from someone or something in a similar fashion to that on the Epic film The Holy Grail, Shouting "RUN AWAY!!"
"She's a Dog King Arthur it boys"
"RUN AWAY RUN AWAY"
by Mullie beast February 13, 2009
 
6.
An Old guy that noone even remembers, even though he's been around longer than most. He really should post more.
KingArthur? Who's that?
by Skeeve22 April 07, 2003
 
7.
When ramming your penis inside a woman's anus really fast and then pull out really slow like pulling out Excalibur from the stone
Dude last night me and my girl did anal and I gave her a King Arthur so if you see her walking funny then you know why.
by SeaBass33333 October 22, 2011