Knee Sex 

The lastest and greatest form of sex. It is done when two knees are pushed and rubbed together. It usually causes brusing.

Omg look at the bruises on her knee, she must of had some good knee sex last night!

You're a knee sex slut!

Knee Sex by Blnde14 January 20, 2009

Knee slapper 

adverb. A term used to describe a dumb-ass joke. Its inception was the result of someone noticing their friend slapping their thigh/knee when a joke was told. It's an official "knee slapper" when the person laughing sqints their eyes, slaps their knee, and can barely speak due the amount of laughimg taking place. This definition is considered a "knee slapper".

What do you call someone who doesn't fart in public?

A private tutor!!

-knee slapper

Knee slapper by MegDar September 20, 2009

knee high 

noun. 1. When lying down under a blanket, a hard on that resembles a knee.

Random Girl: "Jamie, move your knee. I can't see the television."
Jamie: "That's not my knee. That's a knee high!"

knee high by Cindy February 14, 2006

knee 

Joint, joining the thigh to the leg.

To use the mentioned joint to the manhood of someone who is trying to make a hit on you

Noel was in intense pain, NO, he was beyond pain when I jammed my knee in his groin area

knee by Saints September 22, 2003

Knee of Justice

The ancient torture technique that involves the application of pressure on the back of an individual using one's knee. Colloquially referred to as "the knee" by those who fear its usage in the American Northeast.

Sam received the Knee of Justice due to his refusal to grovel at my feet.

Knee of Justice by KneeTree May 16, 2011

Raver's Knee 

The pain felt in one's knee(s) after a night out whilst dancing in high-heels.

A: I think I fell over last night after that last tequila and bruised my arm!

B: Mate! That's nothing! My heels were not good for me last night, I've got such bad raver's knee!

Raver's Knee by Matt P - UK June 10, 2008

knee action 

see knee sex

To get have one's knee fondled, stroked, or stimulated in any way by your knee buddy.

Wow, did I get some good knee action last night!

knee action by **noodleface** September 30, 2006