The person at the exit of Costco who checks your receipt and insists on drawing a cute, sometimes very detailed, picture on it. The chances of running into this increase greatly if you have a small child with you.
"C'mon Picostco. There's a line of 10 people behind me and my rotisserie chicken is getting cold. We don't need a picture of a kitty cat holding a bouquet of balloons on our receipt."
Basically another word for a pikey. They are the scum of society. Usually get around on stolen mopeds. Hang around in groups. Steal anything that they can get carry. They wear rings the size of golf balls from Argos. Pikeys like to know themselves as travellers