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,
Slang great deal of slang takes off, even becoming accepted into the standard lexicon, much slang dies out, sometimes only referencing a group. An example of this is the term "groovy" which is a relic of 1960's and 70's American "hippy" slang. Nevertheless, for a slang term to become a slang term, people must use it, at some point in time, as a way to flout standard language. Additionally, slang terms may be borrowed between groups, such as the term "gig" which was originally coined by jazz musicians in the 1930s and then borrowed into the same hippy slang of the