One of those girls in the pics that friend request you and they're pointing you to a sexwebsite. They all have their necks titled to the side... thus the term, "Crooked Neck Bitch"
Me: I just got a friend request from some chick that wants me to click her sex website...
My friend: "You mean a crooked neck bitch sent you a request?"
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.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"