A colloquial term for Missouri City, Texas. A suburb of Houston, "the Mo" (as locals sometimes call it) is known for its moderately priced suburban housing, for one or two reasonably succesful rappers, and as a place where fun dies.
"I's a playa can't associate with the plexin
Bone hard, bitch, Mo City, Texas"
-Big Moe, "City of Syrup"