by Donny Deals May 11, 2020

The round end of a blacksmith hammer, typically used for "peening over" the sides of a protruding rivet.
Bro, I totally used my peen to round the end of my rivet, after hammering it into the hole with the head of my ball-peen hammer.
by Pein man November 5, 2019

When you get older your sick doesn't erect as much as it use to. Your foreskin gets saggy and your balls hang low.
by BBPOSKA August 19, 2019

“Wow nice peen”
“I know I need a good peen for making a sword and there is nothing sexual about this”
“I know I need a good peen for making a sword and there is nothing sexual about this”
by Man I’m a dude October 16, 2018

by mennymenny February 15, 2022

Peen BEST EXEMPLIFIES community dick. Community dick that is literally for everyone and anyone. The male species it's attached to is not loyal and should be tested for STI's/STD's, regularly.
Trifling.
Wayward.
Less than stellar in size (sometimes), but usually in behaviors or in bed.
Example: he may be packing but that peen is for everybody.
😊
Trifling.
Wayward.
Less than stellar in size (sometimes), but usually in behaviors or in bed.
Example: he may be packing but that peen is for everybody.
😊
by JoyceJacobs October 30, 2018
