What Do you think I'm doing shitting money.
why are you leaving the lights on, what do you think I'm doing shitting gold bricks.
Extreme surprise or exasperation
Shit a brick sideways! That's the most pathetic effort possible.
To be extremely surprised and displeased about something, normally something that effects you personaly, then the act of justice opon whomever did it.
"Dude when he finds out you backed into his car, he's gunna shit a brick and rape you with it"
to be extremely scared or freightened
we got away before they caught us, man we were shitting bricks
something that occurs when you are very startled, which involved bricks being shatted
When you see it, you will shit bricks.
Stress induced constipation. Shitting bricks occurs in situations where you are so overwhelmed in your thoughts that you can't relax your asshole to take a shit. When you finally push it out, it feels as though you've passed a turd with dimensions similar to those of a brick.
God damn it! That's two days in a row Opie clogged the toilet! Exams must have him spooked. He's literally shitting bricks.
when you are extremely scared or afraid of something
i had so much shit on me and when i saw the cop car i was shitting bricks