a description of the rules to be followed during sexual intercourse such as not inflicting pain on one’s partner (biting the nipples, squeezing the balls, etc.) so as to ensure safe and pleasant sex.
The man turns very violent while having sex with his wife; he needs to be taught sexonomography.
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?"