Sometimes you can use this phrase when you have problem with your defecation, to stop it, and you would like to aware other person from social degradation.
Sash: Why? Because of school?
Bob: Maybe... but during all day I did nothing.
Bob: Boss sent for me and I am afraid about my future.
Sash: But you don't know what is going on!
Bob: Shit feelings... maybe you see me last time...
Bob: Oh no! Shit feelings!
Sash: Good Lord! No toilets around. I have to go! Sorry man.