This is when you give overstimulate her sexually to the point where her mind literally goes blank, can be identified when you see her eyesrolling, her making an ahead face, etc
Yo bro, I'm finnaeat her pussy out, bouta make her mind go blank
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?"