12 inches 

Giving a lady a hard-time in order to make her feel satisfied.

When I dropped my bird off last night she said "Give me 12 inches and hurt me"
So I stuck it in her 4 times and slammed her tit in the car door!

12 inches by Neil H May 26, 2004

12 inches 

The size of Wade Dockery's dick!!!

Make up your own BITCH!!!!

12 inches by Wade Dockery March 29, 2005

12 inches unbuffed 

A 12 inch dick without the help of pills or other sexually enhancing drugs/items.
Derived from World of Warcraft and its "buffs"

John: I'M 12 INCHES UNBUFFED!
Phil: Damn! I'm jealous
Doug: LOL!

12 inches unbuffed by Unbuffed October 18, 2010

12 inches of black steel 

an abnormally large black dick. It is regularly seen in the asshole of either of male or female.

Wow look at that guys 12 inches of black steel

12 inches of black steel by eveace April 12, 2011

12 inches up your mom 

A phrase to make a online bully shut up.

Jean: lol you're probably only 12.

Ryan: yeah I'm 12. 12 inches up your mom.

Jean:........

12 inches up your mom by dabi's vibrator February 3, 2021

I am the proud owner of 12 inches 

Buy the mug

I am the proud owner of 12 inches of pure sausage.

I am the proud owner of 12 inches by DangerousNonce6 July 7, 2021

12 incher 

a huge penis

i have a 12 incher

12 incher by Mr.Peoples January 25, 2003