paddy whacker
A cop's murder stick. It was the only thing that could stop an Irishman from getting drunk, stealing your girlfriend, and making your life a living hell.
"That paddy whacker hit me so hard I had to go to the bar to recover.", @DrunkAndBusted
"The cop hit me with a paddy whacker because I told his kid he was ugly.", @CopRant
"I got a paddy whacker because I said the cop's coffee was weak.", @CoffeeBraggingRights