Noun
A secret language or conventional slang peculiar to thieves, tramps, and vagabonds; flash.
Source: Webster's dictionarythey don't speak our lingo Source: Internet
Author Victor Hugo was one of the first to research argot extensively. citation He describes it in his 1862 novel Les Misérables as the language of the dark; at one point, he says, "What is argot; properly speaking? Source: Internet
Specific words can go from argot into common speech or the other way. Source: Internet
Examples "Piaf" is a Parisian argot word for “bird, sparrow ”. Source: Internet
But such complete secret languages are rare because the speakers usually have some public language in common, on which the argot is largely based. Source: Internet
Examples include "same difference", "jumbo shrimp", and "hot ice" (where "hot" means "stolen" and "ice" means "diamonds", in criminal argot ). Source: Internet