argot
noun
[ ˈɑːɡəʊ ]
• the jargon or slang of a particular group or class.
• "teenage argot"
Similar:
jargon,
slang,
idiom,
cant,
dialect,
parlance,
patter,
speech,
vernacular,
patois,
terminology,
language,
tongue,
-speak,
lingo,
geekspeak,
Origin:
mid 19th century (originally denoting the jargon or slang of criminals): from French, of unknown origin.