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1.
the "language" used to talk or bitch behind a friends back without them hearing the conversation.

it can often be used as an insult to a person who constantly bitchs about people.
"we best speak bitchish or she will hear us"

"yo why are you speaking bitchish about me"

"all he ever does is bitch about people, what is he bitchish"
by its free April 21, 2010