A knee Job is when you wake up at two in the morning and your old lady has jammed her Knee into your C&B's and is rubbin' like she either wants to bust 'em off or make you spurt a load on her leg. Generally best when she's wearing hosiery of some kind.
My wife woke me up with a fantastic Knee Job and I made a mess on her shin.
by Rev. Footjoy May 13, 2010
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Placing one's penis in the crevice at the back of a female companion's knee, resulting in pleasure when the lady-friend rapidly traps and releases the penis from in-between her thigh and calf, whilst she holds her foot to aid the fast and furious opening and closing action of suffocating and freeing his knob.
'Woiiii, the back of my gyal's knee is more moist than your fam's vajayjays put together! Loved every minute of trapping my knobby in there, especially when she kept doing this thing where it looked like she was opening and closing the back her leg like a pair of scissors, with my codge still in that dutty crevice! Best knee job ever! I was singing 'knees bent, arm stretched ra-ra-ra' throughout that crazy shit!'
by Dr Zoolanda K Jizzle June 30, 2014
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When a girl, typically a weird one, puts her vagina on your knee and starts to ride it vigorously until she climaxes. It usually does nothing for the guy and his knee thats involved.
Elizabeth-I wanna have an orgasm.

Me-Okay..I can help with that!

Elizabeth-Let me ride your knee.

Me-Wtf? Okay..

Elizabeth-No don't watch the movie! Watch me give you a sexy knee job. I've had a lot of practice.

Me-Uh-mm.. this is doing nothing for me.

Elizabeth- Sh-shh! I'm almost done!
by MC Hammer! December 7, 2010
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This occurs usually in a loud bar. A male approaches a female he is interested in and proceeds to rub his crotch against her knee as he comes in to talk to her. Usually used to display sexual prowess and vigor.
Amy: Wow did you see that freak try for a knee job? He's creepy and I don't like his suit.
Sean: Man this chick wanted me so bad she gave me a knee job.
by Derooger September 20, 2013
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When a girl traps a man's penis against a wall and rubs it violently.

Short for KJ
That bitch wouldn't put out, so i told that hoe to give me a knee job.
by murphleezy June 8, 2006
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When a female, typically of Austrian decent, sits on a bar stool directly across from a male whom is also sitting on a bar stool of equal height. The female then proceeds to spread her legs to form about a 90 degree angle. For the next 2-3 hours the female vigorously rubs the opposite male's knee up against her female reproductive organs until a climax ensues.
Dude, I was drinking at this bar in Munich when this totally totally D.T.F. Austrian girl kept giving me knee job after knee job. She probably rattled off 5-6 kj's during a 3 hour stretch.
by Mr. Favre April 7, 2009
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Knee Job /nē ˌjäb/
noun: knee job; plural noun: knee jobs
A knee job, or KJ, is a sexual act that involves using your knees to pleasure cocks.
Got a sweet knee job last night. Busted all up under those tight caps.
by SweetKnees June 15, 2020
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