A mandate to cease a certain activity, followed by the addressing of the the recipient as "5," a reference to the Bloods streetgang.
Made popular by rapper Cam'ron and used throughout Harlem and farther, the phrase has lost most of its gang-related connotation, but is still used strictly to reference Bloods in some purist circles.
"How he holdin weight, knowin he owin cake, yo scream in homey's face, stop it 5!"
Camron's new swag word, that just means stop. Like saying stop it b, or stop it man. the 5 is added for a flavorful effect.
Its in reference to something or someone doing something absurd or putting up a front, to where the other person uses the selected phrase to tell them to stop the bullshit talk.
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.