The term used to refer to small, fat little girls who have hair that glows as ginger as the sun. Often seen munching burgers and breathing heavily, they are very shy when outside their natural habitat of fast food establishments where they enjoy sitting with fugly fugs and bathing in grease.
Person 1: Oh my god, try not to laugh but there's a gurt coming down the corridor....
Person 2: Are you serious!? I hear if you look directly at one you put on 10 stone!!
What happens when you open a container of yogurt and the pressure inside the cup forces a small amount of yogurt out of the cup and onto yourself or others close to you.