The art of removing pikeys from one's property and the surrounding areas preferably and generally violent in nature.
Person 1:Some pikeys are residing in the drawing room, old chap.
Pikeys:Oi,Oi!! Gimme your wallet or I'll nife ya. Innit!
Person 2: Would you care to partake in some pikey bashing?
Person 1:Indeed,my old bean, I would.