What is King Arthur?

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.

King Arthur - video

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.

When the male genitals are in the anal cavity of another person and it is so tight that your genitals get stuck

man her asshole was so tight my dick god stuck i got king arthured

King Arthuring someone is to stab someone in the face with a penis useing the penis as excalaber.Usally a prank or insult

Timmy: Alex is a HO-MO Alex:Hey Timmy I wouldnt go to sleep tonight because im gunna KING ARTHUR you so good!Timmy:Dude not cool!

n. or v.

The male act of ejaculating in large volumes. (Camelot - Came a lot).

Lancelot had a King Arthur all over Guenevere's dress.

or

Lancelot King Arthured all over Guenevere's dress.

When you bury your dick so far into a girl's lovehole that the man who can pull you out will be crowned King of Camelot.

Guy #1: You know that girl with that wears the jean skirt and leggings?
Guy #2: The clarinet player?
Guy #1: Yeah, I wanna be her King Arthur.

When a funny man enters a voice channel and is about to be kicked.

"King Arthur" has entered the VC.

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.

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"

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.