A man of small penis length, the type of guy that had the girl put on the Trojan because he was whit girl waisted. Women tend to like this guy until they sleep with him.
Shit shat shit, shit shat shep, oh look here comes Adam he is such a shitshatshep
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.