when someone or something is acting in way that resembles poop by either 1)not hanging out 2) not returning phone calls
3)falling off the face of the planet 4) being mean
Anastasia : Dude.... where has Matt been?
Evan: I don't know, he doesn't come around very much anymore.
Anastasia: Ugh. Why is he being shitty?
Handing the phone to an ex-girlfriend of the caller so that she can curse him out for a few minutes because you're drunk and think it's funny.