Pompous or pretentious talk or writting
"jacasser" = jabber, yap"jargon" = jargon, obscure talk as if for specialists"jaser" = gossip, prattle (used for the geese's talk)
The old man was a very pretentious fellow.
The Yiddish word for pretentious is "feygelekh."
To get pretentious
pseud
pretend
I would describe it as pretentious gobbledygook.
Pretentiously
False
She liked to pretend that she was a famous actress, but everyone knew she was just being pretentious.
Intellectually or socially pretentious.