sex knees 

1. the bruises on your knees from giving head.

2. the scraps and bruises on your knees from grinding in the "on top" position

girl: OW! look at my knees! they're bruised as hell.

boy: but weren't those sex knees so worth it?

sex knees by indubiately April 19, 2009

sofa sex knee 

Injury incurred whilst making love on a sofa

Dude why are you hobbling?
I have sofa sex knee from shagging my women whilst my best friend hid in the bedroom

sofa sex knee by AtomicJay May 4, 2021

knee sex 

knee sex is when while making out with a guy(laying down), he carefully rubs his knee against a girl's crotch to stimulate her vagina and get it ready for fingering and/or sex.

girl 1: I wasn't going to go past 2nd base with him, but he started doing something with his knee and i went crazy.

girl 2: O he did the knee sex move. yea he does that well.

knee sex by cavillea April 30, 2005

knee sex 

Very careful targetted groping of the knee, as well as under, below and above the knee to achieve knee-orgasm. Preferably performed by more than 2 people (gender is not an issue with knee sex)

Who's up for some knee sex?

knee sex by Anil Vij January 20, 2004

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 pit sex 

When a male and female are aroused the male takes his enlarged penis and sticks it behind a woman's knee and beats to his own rhythm

Jack and Emily are naked in bed so emily sands up and jack whoops out his fat cock and sticks it behind her knee and moves his torso back and forth and thts knee pit sex

knee pit sex by Jack and Emik December 29, 2008