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Knee fuck 

when someone (preferbly female) bends their knee forming a crease between the thigh and calf, the penis is then inserted inside this crease. you then hump it rythmycally until a climax is reached
she was too tired for me to fuck her normally so i knee fucked her, damn it was so good

knee fuck 

another form of knee fucking is if you lay down and put your knees together as if you were doing a curl, the penis is inserted at the top of the crease or where the knee is located and also rythmically pounded until the load has been excreted
we had 2 different types of knee sex damn im telling you that girl knows how to use what shes working with
knee fuck by gangstaasspepsihater September 3, 2004

knee-pit fuck 

To fuck ones knee-pit.
Damn girl, your kankles are turning me on. I'm gonna knee-pit fuck you, you skanky whore.
knee-pit fuck by bike shop August 19, 2007

Knee Fucking

When you're sitting on a stool at a crowded bar and people pass by you and your knee ends up either in their crotch or ass.
1: Yo I just knee fucked that chick with the big ass. She was wearing a fucking thong too.
2: Aw shit man, I just keep knee fucking guys...in the scrote.

Knee Buckling Butt Fucking 

This is when a girl is getting fucked up the ass so hard that both her and the person fucking her knees buckle from the forces of fucking and getting fucked. Best observed in any porno where anal poundings are involved.
Dude me and my girl were fucking, it was Knee Buckling Butt Fucking night, she was so tired after that she fell asleep with my cock in her ass, what a night!

Knee Buckling Ass Fucking is the way to go
An armpit enthusiast — typically of the scent, appearance, and touch of hairy underarms.
That dude’s such a pitpig, I have to wear deodorant to keep him at bay.
Pitpig by wimbledon May 28, 2026
Word of the Day on May 29, 2026