Top definition
The knotty mess of hair at the back of a woman's head caused by being rubbed against the pillow during sex, or from her hair being grabbed by her partner during doggy-style sex.
'Ohh look at the state of Julie's hair. That shag-knot tells us what she was up to before she came into work today!'

'Sort your hair out Elaine. You've still got a shag-knot going on'
by Sidders02 March 08, 2021
Get the shag-knot neck gaiter and mug.
Jul 28 Word of the Day
to sport a boner, fly the sail at full mass, rock hard, etc.
"I had a lot of cartoon characters that used to get me sexually aroused as a kid... The female reindeer from the Rudolph claymation series, when I was in preschool, I used to be bricked up watching that shit." -Jack Harlow
by real_philly February 11, 2020
Get a bricked up mug for your fish Riley.