Spud gun legality and requires licensing. Pneumatic spud guns are classed as air guns in New Zealand, which means the owner must be either over 18, or over 16 with a A-Category Arms License. Combustion cannons are deemed a firearm, requiring the owner to hold an A-Category License. These laws are rarely, if ever applied and spud gun ownership and building has proved a popular hobby with many New Zealanders. All combustion spud guns are considered firearms. Pneumatic spud guns with projectile energy greater than 4 joules (3 ft·lbf) are classified as section 1 firearms and do require a license. In recent years,
Back slang Back slang Back slang is an English coded language in which the written word is spoken phonemically backwards. Back slang is thought to have originated in Victorian England, being used mainly by market sellers, such as butchers and greengrocers, to have private conversations behind their customers' backs and pass off lower quality goods to less observant customers. The first published reference to it was in 1851, in Henry Mayhew's "London Labour and the London Poor". Some back slang has entered standard English. For example, the term "yob" was originally back slang for "boy". Back slang is not only restricted to