Spud gun legality before 1871, which would classify that model as an antique, spud guns are not subject to the eased regulations regarding antique weapons. Therefore any non-combusting spud gun with a maximum projectile energy of 7.5 joules can be owned by anyone without a license, while their manufacture still requires one. The legal possession of any other such weapon requires a gun license. A spud gun is not considered a firearm unless it fires a projectile faster than 152.4 meters per second and at a muzzle energy exceeding 5.7 Joules based on the definition of a firearm in the Canadian Criminal Code.
Rhyming slang and truncated to "Aris". Ghil'ad Zuckermann, a linguist and revivalist, has proposed a distinction between rhyming slang based on sound only, and phono-semantic rhyming slang, which includes a semantic link between the slang expression and its referent (the thing it refers to). An example of rhyming slang based only on sound is the Cockney "tea leaf" (thief). An example of phono-semantic rhyming slang is the Cockney "sorrowful tale" ((three months in) jail), in which case the person coining the slang term sees a semantic link, sometimes jocular, between the Cockney expression and its referent. The use of rhyming slang has