1. coiner - Noun
2. Coiner - Proper noun
One who makes or stamps coin; a maker of money; -- usually, a maker of counterfeit money.
An inventor or maker, as of words.
Source: Webster's dictionaryThey carry back bright to the coiner the mintage of man,The lads that will die in their glory and never be old. A. E. Housman
There is an extraordinary thing called Truth which has 10 million faces and forms – it is God's currency and the cleverest coiner or forger can't imitate it." Source: Internet
The coiner or the utterer sees a semantic link (sometimes jocular) between the Cockney expression and its referent. citation P. 30. See also * Argot : any language or jargon that is used to obscure the meaning of words, sentences, and phrases. Source: Internet