The made up vocabulary used by the famous Bill Nye the ScienceGuy. It is a play on the word ebonics which is consequently a play on the word phonics. Two words, typically of scientific significance, are made into one for comedic purposes.
"... finding microbes on Mars. Call them Marscrobes. That's Nyebonics for you guys."
-- Bill Nye speaking at the University of Florida
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.