A person who isn't civilized and acts rowdy and loud in private and public spaces, also tends to get arrested a lot due to their behaviors. They tend to have violent tendencies and have no manners
When a group of Sub-Saharan, black, kids walk hella show in the hallway with all their niggas, and decide to take up the whole hallway. They may or may not do this unintentionally, but make the hallway impassable.
Teacher "Why are you late to class?"
Student "I got caught behind a Sub-Saharan Blockade"
Someone who has subsaharan African ancestry. Some of the largest subsaharan ethnic groups includes Bantus (central/throughout Africa), Cushites (also called Horners) (Horn Africa), Nilotes (East Africa), Khoisans (southern Africa) and Kordofanians (west Africa) etc.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.