What is "seddity"

a. (context US slang chiefly African American English) (alternative spelling of saditty English) (acting bourgeois, snobbish or pretentious)

Seddity (or saddity or siditty) – is defined as bourgeois, snobbish or pretentious. As to the disparity in the spelling, this is attributed to certain lexical items being predominantly of oral context as opposed to spelling conventions in AAVE African American Vernacular English.

Also, as part of AAVE, seddity/saddity/siditty is deemed as a people term like words such as cuz and posse.