An passive aggressive, authoritative, informal way of telling someone to keep moving along, especially in a job setting where managing the flow of people is considered important.
E.g bouncers or security.
I’ve already told you 3 times - you’re not on the list. Now keep it pushin pal.
Area’s off limits. Move along, keep it pushin pal.
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.