Yardbull 

A police officer who patrols train yards looking for train-hoppers, oogles, crusties, etc.

Man, did you see that fat yardbull chase us through the train yard?!

Yardbull by John Jacob Gingleheimerschmidt February 22, 2011

Yard Bull 

A railroad police officer. Often just referred to as a "Bull" by tramps, hobos, and graffiti artists. Their job is to secure rail yards and prevent theft from or damage to railroad property.

When riding the rails, you have to look out for the local Yard Bull.

Yard Bull by Jacaranda January 6, 2008

yardball 

British colloquialism referring to one's testicles

So I tell the swamp donkey to sock it before I give her a trunky in the trademan's entrance and have her lick me yardballs.

yardball by Goolick May 25, 2007

yardballs 

plural of yardball. slang term for male genitalia.

My yardballs are itching.

yardballs by ablack April 14, 2008

yarbulls 

balls,nuts,wang danglers

ima kick you in your yarbulls if you have any

yarbulls by duck god 420 November 24, 2010