A man noted for his proficiency in the use of his "meat", which denotes that the bearer of the "meat" uses it in such a way that women cannot get enough of.
"Girl, why are you always with him?"
"I just have so much fun with him, he's a meatslinger"
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.