Define Fall In Line Meaning

Fall In Line

fall in line or i'm gonna replace you
By Tedra
Ghetto Fall-line
the border between bad neighborhoods/ghettos and suburbian/nicer areas of town. often divided by a river, highway, main road or commercial area.

on my side of the creek everyone lives in houses and nice apartments. across the creek to the next highway are all the ghettos and mexicans. i live on the ghetto fall-line
By Karol