A child brought up with no rules or boundaries, and thus has no regard to authority. Often found in groups who indulge in worthwhile occupations like smashing bottles and smoking a spliff. Hooded jackets are a must, as is a bike.
Male versions are also adept at making intimidatory sexual taunts on any female that happens to pass.
Female versions, if under the age of puberty, are in training to be a pramface