Satan's Anus: anything that reflects something distasteful or something that causes discomfort (i.e., hot weather).
1. It is hotter than Satan's Anus outside! 2. Have you eaten any of his cooking? It tastes like Satan's Anus. 3. The end off this banana is as mushy as Satan's Anus.
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.