fuck knot 

The funky knot that occurs in the back of a girl hair (assuming its long) after too much missionary position sex.

I'm gonna need a rake to get this fuck knot outta my hair :D

fuck knot by delusi0n December 5, 2004

Fuck Knot 

Tangled hairdo

She has a little fuck knot going on there.

Fuck Knot by Zero K Nexus October 22, 2019

fuck-knot

A tangled mat of hair in the central region of the back of the head. Most commonly displayed by human females after missionary style intercourse, the knot occurs from impassioned head thrashing on the pillow, bed, floor, kitchen counter, etc.

She had a big ol fuck-knot when she got to work this morning, I'm jealous of her morning wood wake up call.

fuck-knot by ZillahRae February 20, 2009

fuck knots 

A condition that causes tangling of the hair, most often by very vigorous sex.

After a three day sex and crystal meth binge, I had a bad case of fuck knots.

fuck knots by nervous_farter April 20, 2003

fuckknot 

the resultant knot made in the back of a persons hair due to thrashing about during intercourse.

that fuckknot in your hair makes you look like a giant cactus.

fuckknot by mdmE April 21, 2003

fuckknot 

A pile of people tangled and fucking. A form of an orgy.

Speaker 1: I'm so hitting up that fuckknot tonight at Jasmine's house.
Speaker 2: Yeah, I heard she does it a lot.

fuckknot by Googs January 8, 2008