suburbanisation 

The population shift from urban areas to less urban areas (suburbs).

the city has struggled with migration and Suburbanisation.

suburbanisation by Look Behind You... 69 April 29, 2020

Suburbanitions 

Definitions used to help suburban people understand street or drug terminology. Often seen in television shows where they define a word or phrase unknown to suburban residents.

The Motor City episode of Drug Inc. had 20 suburbanitions in it.

Suburbanitions by Red335iHandle January 10, 2015