cockrotter 

one who allows his bicycle to fall in disrepair, and whose bicycle invariably fails him at some point in every ride. These people don't know why their bicycle always breaks, and often would rather buy new parts than keep their bicycle in good condition.

Term may be used to describe other gear items, not limited to bicycles.

"Fred is such a cockrotter, his bike never works when we ride"

"Betty just let all her skiis cockrott away"

cockrotter by OliveTheDog September 2, 2011

Cockfosters 

Cockfosters is a suburb of North London, lying partly in the London Borough of Enfield and partly in the London Borough of Barnet. The counties of Hertfordshire and Middlesex respectively (in which Cockfosters was located pre-1965) are still used in postal addresses.
The name has been recorded as far back as 1524, and is thought to be either the name of a family, or that of a house which stood on Enfield Chase. One suggestion is that it was "the residence of the cock forester (or chief forester)
The subject of many jokes of Londoners & Tourists

It is the last station on the Northern End of the Piccadilly Line

London Tourist to local friend, 'What is Cockfosters'
Friend "Possibly where they foster cocks"

Cockfosters by TheFlyingKidney July 7, 2011

cockrocker 3000 

Harry Potter's first "broom"

Goyle, "Did you hear? Harry just got a Cockrocker 3000!"

Draco, "I've had one for ages. They really do make all the difference."

cockrocker 3000 by AlyxAnderson October 29, 2007

Cockfoster 

When your woman is away and you need someone to take care of your cock.

Sarah was away so Joe got himself a cockfoster for the weekend.

Cockfoster by Freska1181 July 21, 2017

Cockfosters 

1. A termination point for the Picadilly Line tube in London.

2. A nutritious, if somewhat salty beverage designed to create excitement in the ladies. However, whilst Fosters is lager, Cockfosters is bitter!

Drink my Cockfosters!

Cockfosters by Ian Chode July 23, 2003

cockbutter

The male ejaculate, or semen. Since semen has the consistency, thickness, and headyness of melted butted, and comes from a cock, it's referred to as "cockbutter."

Dude, she ate my cockbutter with gusto, and swallowed every drop!

cockbutter by Mr p b January 15, 2008

cocksitter 

A prostitute, someone who would take care of a horny cock for money.

Stacey: I used to be a cocksitter when I was in my 20s or I wouldnt be able to pay off my student loan...
Jane: I am not surprised to hear that Stacey!

cocksitter by jimissobored July 27, 2014