Hoon is a derogatory term used in Australia and New Zealand, to refer to a young person who engages in loutish, anti-social behaviour. In particular, it is used to refer to one who drives a car in a manner which is anti-social by the standards of contemporary society, that is, fast, noisily and/or dangerously. In New Zealand, the term "boy racer" is also widely used. Another slang term, revhead — derived from "rev", an alternate term for RPM — is sometimes used in place of hoon. However, "revhead" can refer to any car enthusiast, while hoon is always pejorative. "Anti-hoon laws", while they generally concern road vehicles, sometimes also target anti-social behaviour in motor boats.Hoon activities can include speeding, burnouts, doughnuts or screeching tires. Those commonly identified as being involved in "hooning" or street racing are young, predominantly male although increasingly female drivers in the age range of 17 and 35 years.