Knocking one out

A northern slang term for masturbation. To play with oneself, or toss oneself off.

"I'd love to come with you, but I'm in the middle of knocking one out"

by RichieLeBon March 22, 2012

Knocking Off

The act of masturbating whilst really high so that when you jizz all the blood rushes from your head and you pass out. May be hard to achieve.

Also known as Jacking Black.

X: "Ben and I tried Knocking Off last night"
Y: "No Way! You guys are crazy! Any success?"
X: "Yep, I totally Knocked Off!! Ben didn't manage to though. It really isn't easy!"

by Jacking it in San Diego April 18, 2015

Knocking boots

Clashing clogs, Bashing birkenstocks, lashing laces, hitting heels, etc.
There are many ways to say smashing shoes, but knocking boots is the most popular by far.

Also unrelated is the topic of fucking.

"The surest way to prove we're still alive
Knocking boots till we die"
- Devo

by Fatty wob February 5, 2016

Knocking Down a Chub

Beating off, rubbing one out, jerking off

All guys indulge in knocking down a chub; there are times when it just has to be done!

by MOCO & P-Phat June 16, 2007

Knocking pooch

Having sex

"Wow Derek! That was a great day of knocking pooch!"

by Theshart September 19, 2014

Knocking Phobia

Being afraid (phobia) of someone knocking on your door.

I have knocking phobia because knowing the thought that a stranger could be at my door waiting to harm me.

by TheBestWorder June 11, 2020

Knocking on a glass door

Doing something unnecessary like knocking on a glass door

Why are you knocking on the glass door you can see in there “knocking on a glass door”

by Alpine but September 12, 2023