getting called in the crapper whilst being called or calling a person who is puking at that moment. If you are puking and taking a shit at the same time you should see a doctor.
Any smart phone implementation ('app') of the wildly popular number placement game 'Sudoku' played specifically while using the restroom. The 21st century equivalent to the time honored tradition of reading while doing the same.
I think I am going to go play a little 'Poohdoku' after lunch.
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?"