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.
by ZillahRae February 20, 2009

The funky knot that occurs in the back of a girl hair (assuming its long) after too much missionary position sex.
by delusi0n December 05, 2004

by nervous_farter April 20, 2003

by Zero K Nexus October 22, 2019
