pinewood derby 

a term for inserting small wooden cars into the vagina or anus for sexual pleasure.

get the cars billy! I'm horny for a pinewood derby!

pinewood derby by vance March 27, 2003

Demolition Derby 

This is where the participants of a wrecking crew race to finish.

Demolition Derbies are held every Wednesday night in Down Town Windsor.
Bring your hard hat and a bottle of KY.

Demolition Derby by Griz November 22, 2004

Roller Derby 

Code for swingers club. Akin to the Jebus fish in days of old. Men commonly approach women in a nonchalant way and ask if they'd like to join their roller derby team.

"Hey Risha, we think you'd make a great member in our Roller Derby Team, you look pretty flexible."

Roller Derby by StrangerDanger313 November 29, 2011

A Derby

I woman weighing over 200 lbs

There's a derby!

A Derby by RickstaFTW November 5, 2012

brown derby 

A delicious brownie ala mode dessert from Grandma's Restaurant.

I'm craving a brown derby!

brown derby by Alyssa Piccirilli October 17, 2005

Kentucky Road Derby 

It is when you shit on a girls stomach and run your penis through it until nice and lubricated then proceed to sexual intercourse

Joe, I totally gave her a kentucky road derby last night it was pretty hot.

Kentucky Road Derby by Black sex panther April 29, 2009

roller derby 

A hat to be worn when your hair is in rollers!

"You best put on your roller derby if you are going out in public!"

roller derby by Willow Zee February 28, 2018