school of hard knocks

1. A Unestablished yet active education system located worldwide with only One class: Street Smarts 101 in wich you learn from your enviroment & the costly mistakes you make

2. Street Education of the obvious or Street Common Sense

"Whats that nerd doing around here? He ain't from the School of hardknocks"

"Girl you know better then to walk through Centarl Park at knight wearing that skimpy Skirt, you better go back to the School of Hardknocks"

by Platinum Pistolz June 15, 2004

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 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 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

im finna knock

to go to sleep

“damn i’m tired lowkey im finna knock”

by madskii September 16, 2020

knocked a bag off

the end result of masturbating, jizz

i knocked a bag off on your mother last night and she loved it.

by twow October 17, 2013

the knock out game

Racist 'game' in which blacks pick an unsuspecting white victim and sucker-swing at them as hard as they can, usually resulting in a knock-out and occasionally resulting in death.

Nigglet #1, "Yo nigger, I bet you can't knock that honkie out with one hit!"

Nigglet #2, "You trying to get me to play the knock out game? Alright, watch this."

by your.phantasm November 19, 2013