In-group jargon (5)
I believe the answer is:
argot
(Other definitions for argot that I've seen before include "Father or mother" , "secret language" , "Particular group's jargon" , "Jargon - patois" , "Groat (anag)" .)
I believe the answer is:
argot
(Other definitions for argot that I've seen before include "Father or mother" , "secret language" , "Particular group's jargon" , "Jargon - patois" , "Groat (anag)" .)